“I should have made two.”

That’s what I was thinking as one bb after the other hit me while I quickly pulled the trigger on my rented airsoft gun.

A few months ago, my son and I thought it would be fun to build an airsoft gun together. Why not? We have a 3d printer and it would be interesting to see how it all works together. Eager to try it out, we drove to the airsoft field almost as soon as it was done. I rented a gun for me and gave my son the Mosquito. I would soon regret that decision. The Mosquito’s claim to be “a menace on the battlefield” proved accurate and I was wishing I had one of my own.

There appear to be two broad categories of airsoft gun enthusiasts: one group of people enjoys building replicas of actual firearms. Interesting, old, or unique firearms tend to get a lot of attention and attention to the smallest detail is key. These firearms are often very elaborate and beautiful. The Mosquito does not fit in to this crowd.

The other group of airsoft enthusiasts purchases airsoft for the sole purpose of putting as many bb’s downrange as possible. This is where the Mosquito fits in and it does its job well, much to my own regret.

Unfortunately for me, the rented guns are semi-automatic, meaning that I have to pull the trigger for each bb to be shot. My son was probably shooting 50 bb’s at me for every one that I was shooting at him. Oh well.

Overall, this was a fun project. If you enjoy Airsoft and have a 3d printer, you might want to consider adding this one to your arsenal.

HYBRID AIRSOFT – MOSQUITO Open Beta 2 Handbook (google.com)

Just make sure that you make two.

In the intricate world of 3D printing, a smooth filament path is essential for flawless prints. However, every enthusiast eventually faces the challenge of broken filament stuck inside a PTFE (Polytetrafluoroethylene) tube. This guide will walk you through the steps to efficiently remove stuck filament, ensuring your 3D printing journey continues without a hitch.

Understanding the Problem

Filament can break off inside the PTFE tube due to various reasons such as abrupt printer movements, improper filament storage, or simply using low-quality filament. This creates a blockage that can affect extrusion quality and may even halt your printing projects altogether.

Tools You’ll Need

  • Needle-nose pliers
  • A 1.5mm or appropriate size Allen key or push rod
  • Heat gun or hair dryer
  • A new filament segment

Step-by-Step Solution

1. Preparation

First, ensure your 3D printer is turned off and cooled down to avoid any risk of injury. Remove any filament spools attached to the extruder to reduce tension in the system.

2. Accessing the PTFE Tube

Carefully disconnect the PTFE tube from the extruder and hot end. Depending on your printer model, this might require loosening a fitting or pressing down on a quick-release.

3. Heating the Stuck Filament

Using a heat gun or hair dryer, gently heat the section of the PTFE tube where the filament is stuck. The goal is to soften the filament without damaging the tube. Keep the heat source moving to distribute heat evenly.

4. Pushing the Filament Out

Once the filament softens, use the Allen key or push rod to gently push the stuck filament through the tube. If accessible, needle-nose pliers can be used to pull the filament out from the other end.

5. Clearing Any Residue

After removing the bulk of the filament, inspect the tube for any remaining bits. If necessary, repeat the heating and pushing process until the tube is clear.

6. Reassembly and Testing

Reattach the PTFE tube to your printer, ensuring all connections are secure. Feed a new filament segment through to test for smooth passage.

Preventive Measures

  • Use High-Quality Filament: Investing in good quality filament reduces the risk of breakage.
  • Regular Maintenance: Periodically check and clean your PTFE tube to prevent buildup that can lead to filament breakage.
  • Proper Storage: Store filament in a dry, cool place to prevent brittleness.

In the world of 3D printing, achieving the perfect print is akin to an art form, requiring precision, patience, and a keen eye for detail. One fundamental aspect often overlooked by novices and seasoned enthusiasts alike is the importance of keeping the 3D printer bed level. This seemingly minor detail can significantly impact the quality of your prints.

The Importance of a Level Bed

Preventing Warping and Misprints: A level bed ensures the first layer of your print adheres evenly across the surface. An uneven bed can lead to parts of the print not sticking to the bed, causing warping or complete print failures.

Enhancing Adhesion: Good adhesion is crucial for a successful print. A level bed ensures uniform contact between the print and the bed, reducing the chances of the print coming loose mid-process.

Improving Print Quality: A level bed contributes to consistent layer height. This uniformity is essential for achieving smooth surfaces and accurate dimensions in your prints, especially for detailed models.

Tips for Maintaining a Level Bed

  1. Regular Checks: Before each print, do a quick check to ensure the bed is level. Environmental changes can affect bed leveling over time.
  2. Use the Right Tools: Utilize feeler gauges or a piece of paper to check the gap between the nozzle and the bed at various points.
  3. Follow Manufacturer Instructions: Each printer has its method for bed leveling. Familiarize yourself with your printer’s specific process for best results.
  4. Consider Upgrades: If you’re struggling with leveling, consider upgrading to a printer with auto-leveling features or adding an aftermarket auto-leveling sensor.

Maintaining a level 3D printer bed is a critical yet often overlooked aspect of 3D printing. Regular checks and adjustments can vastly improve print adherence, quality, and success rates. By incorporating these practices into your 3D printing routine, you’ll notice a significant improvement in your prints and reduce the frustration of failed prints due to leveling issues.

When 3D printing, achieving the perfect print is often about mastering the small details. One such detail, often overlooked by beginners, is the use of a prime line. While it might seem like a minor step, the prime line plays a role in ensuring print quality and consistency. Let’s explore why incorporating a prime line is essential in your 3D printing process.

What is a Prime Line? Before diving into its importance, it’s essential to understand what a prime line is. A prime line is a simple line or two of filament that the printer extrudes at the side of the build plate at the beginning of a print. This process happens during the initial heating phase of the nozzle.

Key Reasons to Use a Prime Line

  1. Ensures Consistent Extrusion: The prime line helps in ensuring that the filament is flowing consistently and smoothly from the nozzle before the actual print begins. It’s particularly crucial when starting a new print or after changing the filament.
  2. Prevents Air Bubbles and Clogs: During filament loading or after a print job, small air bubbles or residual filament can get trapped in the nozzle. Extruding a prime line helps clear out these potential clogs and ensures a clean start.
  3. Achieves the Right Nozzle Temperature: Sometimes, the nozzle may not be at the ideal temperature when the print starts. The prime line acts as a buffer, giving the nozzle time to reach the optimal temperature for printing.
  4. Helps in Bed Leveling Calibration: For printers that require manual bed leveling, the prime line can be an indicator of how well-leveled the bed is. It provides immediate feedback if adjustments are needed.
  5. Reduces Wastage and Saves Time: By ensuring that the filament is flowing correctly and the printer is properly calibrated before starting the main print, the prime line can save filament and time that might otherwise be wasted on failed prints.

Incorporating a Prime Line in Your Printing Process

  • Setting Up: Most 3D printing software allows you to add a prime line in the G-code settings. Ensure that it’s positioned where it doesn’t interfere with your print area.
  • Observing: Pay attention to the prime line as it’s being printed. It can provide valuable insights into the condition of your filament and the readiness of your printer.
  • Adjusting: Based on how the prime line prints, you might need to make adjustments to your nozzle temperature, flow rate, or bed leveling.

While it might seem like just another line of filament, the prime line is a critical aspect of 3D printing that sets the stage for a successful print job. By ensuring a smooth, consistent flow of filament and confirming that your printer is primed and ready, you can significantly improve the quality and reliability of your prints.

3d printing and Dungeons & Dragons. Dungeons and Dragons (D&D), the legendary fantasy role-playing game, has captured the imaginations of players for decades. With its intricate storylines, detailed characters, and the plethora of game pieces involved, staying organized is key to a smooth gaming experience. Many people use 3D printers to create miniatures and tabletop displays. But what other ways can 3D printers be useful to the D&D enthusiast?

  1. Miniature Storage: Miniatures are central to D&D gameplay, and players often accumulate a large collection. 3D printed storage solutions can range from simple trays with individual compartments to elaborate cases designed for specific types of miniatures. Some designs even incorporate thematic elements from the game, like dungeon or forest themes, to enhance the aesthetic appeal.
  2. Dice Towers and Trays: Dice are another integral part of D&D. 3D printed dice towers and trays not only provide a convenient way to roll dice but can also be customized with intricate designs, game themes, and personal motifs. They help in keeping dice rolls fair and contained, adding a fun and functional element to the gaming table.
  3. Character and Campaign Organizers: For players and Dungeon Masters alike, keeping track of characters, campaigns, and various notes can be a daunting task. 3D printed organizers can include slots for character sheets, compartments for notes, and sections for campaign books or tablets. These organizers can be customized for individual campaigns or players.
  4. Spell and Ability Trackers: Managing spells and abilities during gameplay can be complex. 3D printed trackers, often designed with rotating parts or sliders, offer a visual and practical way to keep track of spells used, cooldowns, or other abilities. These trackers can be tailored for different classes or characters.
  5. Token and Marker Holders: Tokens, markers, and other small items are frequently used in D&D games. 3D printed holders or boxes with compartments help keep these items organized and easily accessible during play. Designs can vary from simple boxes to more elaborate holders with specific slots for different types of tokens.
  6. Terrain and Map Storage: For those who use physical terrain pieces or maps, storage can be tricky due to their size and shape. Custom 3D printed storage solutions can be created to fit these items, ensuring they are protected and easy to transport.
  7. Custom Boxes and Carry Cases: For the ultimate in organization and portability, custom 3D printed boxes or carry cases can hold everything a player or DM needs. These cases can be designed with compartments for all the above-mentioned items, often featuring modular designs that can be rearranged as needed.

In the world of 3D printing, staying organized can be as challenging as it is crucial. Enter Gridfinity, a modular system that’s changing the game for makers, hobbyists, and professionals alike. This innovative approach to organization is not just practical; it’s customizable and endlessly versatile. Let’s dive into what makes Gridfinity the next big thing in 3D printing and organization.

What is Gridfinity? Gridfinity is a system of interlocking bins, trays, and holders designed to keep workspaces organized and efficient. Born from the creative minds of 3D printing enthusiasts, it embodies the spirit of customization and DIY. The system’s key feature is its grid-like structure, which allows for various components to be easily arranged and rearranged to suit individual needs.

The Appeal of Gridfinity

  • Customizable: Tailor your setup to your specific tools, components, and workspace.
  • Scalable: Start small and expand as your collection grows. Gridfinity grows with you.
  • Accessible: All you need is a 3D printer to create your own Gridfinity components, making it a highly accessible system for anyone with a 3D printer.

Common Uses of Gridfinity

  • Organizing Tools and Supplies: Perfect for keeping screwdrivers, pliers, nuts, bolts, and other tools neatly arranged.
  • Electronics Workstations: Ideal for electronic hobbyists who need to organize components like resistors, capacitors, and chips.
  • Crafting and Art Supplies: Keep your crafting area tidy, with a place for every paintbrush, bead, and spool of thread.
  • Office Supplies: Transform your desk with custom holders for pens, paper clips, and other office essentials.

Designing Your Gridfinity System Creating your own Gridfinity setup is a journey of creativity. You can find pre-designed models online or design your own using 3D modeling software. The beauty of Gridfinity lies in its adaptability; you can create a system that perfectly fits your space and needs.

Community and Collaboration One of the most exciting aspects of Gridfinity is the community that’s growing around it. Users share their designs, improvements, and setups online, fostering a collaborative environment where everyone can benefit from shared ideas and innovations.

Gridfinity represents more than just a way to organize; it’s a testament to the ingenuity and collaborative spirit of the 3D printing community. Whether you’re a seasoned maker or just starting, Gridfinity offers a flexible, scalable solution to bring order to your creative chaos.

3D printing, a marvel of modern technology, has evolved from a niche hobby to a mainstream phenomenon. This transformative process of creating three-dimensional objects from digital files has found its way into various sectors. In this post, we’ll explore the most commonly 3D printed items, showcasing the versatility and creativity this technology affords.

1. Prototypes and Models

  • Overview: Prototyping is perhaps the most significant and widespread use of 3D printing. It allows designers and engineers to transform their ideas into tangible models quickly.
  • Examples: From automotive parts to architectural models, prototypes are essential in various industries for testing and visualizing concepts before mass production.

2. Customized Phone Cases

  • Overview: The demand for personalized items has led to the popularity of 3D printed phone cases. These cases can be tailored to individual styles, preferences, and needs.
  • Examples: Intricate designs, personalized names, and unique textures are common themes in 3D printed phone cases.

3. Home Decor and Utensils

  • Overview: 3D printing has found a place in interior design and home utility, allowing for the creation of customized and unique home goods.
  • Examples: Items like vases, lampshades, coasters, and even kitchen utensils are popular for their customizable nature and the personal touch they add to homes.

4. Jewelry and Fashion Accessories

  • Overview: The fashion industry has embraced 3D printing for its ability to produce intricate, customizable designs that are difficult to achieve through traditional methods.
  • Examples: Earrings, necklaces, bracelets, and even high-fashion pieces like avant-garde headdresses are being 3D printed.

5. Educational Tools and Toys

  • Overview: Education and play are fundamental areas where 3D printing has made a significant impact, especially in creating tailored educational aids and unique toys.
  • Examples: Custom puzzles, anatomical models for medical training, and educational toys that cater to specific learning needs are widely 3D printed.

6. Artistic Sculptures and Figures

  • Overview: Artists are leveraging 3D printing to bring their imaginative concepts to life in three dimensions.
  • Examples: Sculptures, figurines, and artistic installations that were once limited to traditional materials are now being created with 3D printers.

7. Medical Models and Prosthetics

  • Overview: The medical field has seen groundbreaking applications of 3D printing, especially in creating patient-specific models and devices.
  • Examples: Custom prosthetics, dental implants, and anatomical models for surgical preparation are increasingly being 3D printed for their precision and customization capabilities.

The applications of 3D printing are as diverse as they are revolutionary. From everyday items to sophisticated industrial components, this technology is reshaping how we create and think about objects. As 3D printing technology continues to advance, we can expect to see even more innovative and exciting uses in various fields.

In the world of 3D printing, achieving the perfect print often hinges on the fine balance of numerous factors. One such critical aspect is the choice of hotend, and for those utilizing all-metal hotends, an understanding of heat creep is essential. This post delves into why all-metal hotends are particularly susceptible to this phenomenon and how it impacts your printing process.

The All-Metal Hotend: A Brief Overview Before diving into heat creep, let’s briefly understand what an all-metal hotend is. Unlike traditional hotends that use a PTFE (Teflon) liner inside the heat break, all-metal hotends are entirely metal. This design allows for printing at higher temperatures and with a wider range of materials.

Defining Heat Creep Heat creep occurs when the heat from the hotend travels up to the colder parts of the extruder, causing the filament to soften or melt prematurely. This can lead to clogs, poor print quality, and even extruder failure.

Why All-Metal Hotends Are More Susceptible

  1. Material Conductivity: Metal, being a better conductor of heat than PTFE, allows heat to travel up the heat break more efficiently. This increased conductivity makes all-metal hotends more prone to heat creep.
  2. High-Temperature Printing: All-metal hotends are often used for their ability to handle high-temperature materials like Nylon, PETG, and others. However, these high temperatures can exacerbate heat creep.
  3. Less Efficient Cooling: In many designs, the cooling mechanisms in all-metal hotends are not as effective in dissipating heat as in their PTFE-lined counterparts. This inefficiency can contribute to the upward travel of heat.

Combating Heat Creep in All-Metal Hotends To mitigate heat creep, consider the following strategies:

  • Improved Cooling: Enhance the cooling system around the heat break and extruder. This can be done by using more powerful fans or better heatsinks.
  • Proper Retraction Settings: Adjusting retraction settings can reduce the risk of softened filament clogging the extruder.
  • Temperature Management: Operate at the lowest possible temperature for the material you are using. This minimizes the risk of heat traveling upwards.

While all-metal hotends offer versatility and high-temperature printing capabilities, understanding and managing heat creep is crucial for optimal performance. By recognizing the reasons behind its susceptibility to heat creep and implementing effective countermeasures, 3D printing enthusiasts and professionals can significantly improve their print quality and reliability.


In the rapidly evolving world of technology, 3D printing stands out as a revolutionary tool, transforming ideas into tangible products with just a click. It’s not just a boon for manufacturers and designers; it’s a goldmine for creative entrepreneurs. Here, we explore some of the most innovative ways individuals and businesses are turning 3D printing into profitable ventures.

1. Customized Products on Demand
One of the most lucrative aspects of 3D printing is the ability to create custom, personalized products. From tailor-made phone cases to personalized action figures, the possibilities are endless. Entrepreneurs are tapping into this market by offering bespoke solutions that cater to individual preferences, setting themselves apart in a world of mass-produced goods.

2. Architectural Models and Prototyping
Architects and designers are using 3D printing for detailed models, bringing their blueprints to life. This visual aid not only helps in better project presentation but also in identifying design flaws. Additionally, prototyping for inventors has become more accessible and cost-effective, opening up a niche market for 3D printing services.

3. Specialized Healthcare Solutions
In the healthcare sector, 3D printing is revolutionizing patient care. Entrepreneurs are collaborating with medical professionals to create custom prosthetics, orthopedic implants, and even dental devices. This not only improves patient outcomes but also opens up a specialized market for those looking to combine medical knowledge with 3D printing expertise.

4. Educational Models and Tools
Education is another field ripe for 3D printing opportunities. From historical artifacts to complex molecular models, 3D printing can bring an interactive element to learning. Entrepreneurs are creating custom educational tools and models, catering to schools, museums, and educational centers.

5. Artistic Expressions
The fusion of art and technology through 3D printing has created a new genre for artists and designers. From intricate sculptures to fashion accessories, the boundary of creativity is constantly being pushed. Selling these unique art pieces can be a profitable avenue for artists embracing 3D technology.

6. E-commerce Ventures
With the rise of online shopping, selling 3D printed products through e-commerce platforms like Etsy or Shopify is a viable business. Whether it’s home decor, jewelry, or tech accessories, setting up an online store for 3D printed goods allows entrepreneurs to reach a global market.

7. Workshops and Training
As 3D printing becomes more mainstream, there’s a growing demand for knowledge and skills in this area. Conducting workshops or online courses on 3D printing techniques can be a profitable venture, targeting enthusiasts, professionals, or students keen to learn about this cutting-edge technology.

3D printing is not just a tool; it’s a gateway to countless entrepreneurial opportunities. The key lies in identifying a niche, understanding market needs, and leveraging the unique capabilities of 3D printing to create value. As technology evolves, so do the possibilities for innovation and profit.

PLA (Polylactic Acid) is a popular material used in 3D printing. There are several types of PLA available, including Standard PLA and PLA Professional (or PLA+). Each type has its own set of characteristics, making them suitable for different applications. Here are some advantages of PLA Professional compared to Standard PLA:

  1. Improved Mechanical Properties: PLA Professional generally has better mechanical properties than standard PLA. This includes higher tensile strength, impact resistance, and durability. These improvements make PLA Professional more suitable for functional parts that need to withstand more stress.
  2. Better Thermal Resistance: PLA Professional can withstand higher temperatures compared to standard PLA before it starts to deform. This makes it more suitable for applications where the printed parts might be exposed to higher temperatures.
  3. Enhanced Print Quality: PLA Professional often provides a smoother finish with more consistent color and fewer printing defects like stringing or warping. This results in aesthetically pleasing prints with a more professional look.
  4. Less Brittle: Standard PLA is known for being somewhat brittle, which can be a drawback for certain applications. PLA Professional is typically less brittle, which reduces the risk of the print breaking or cracking under stress.
  5. Better Layer Adhesion: The improved formulation of PLA Professional can lead to better layer adhesion, resulting in stronger prints. This is crucial for large prints or prints with thin walls.
  6. Wide Range of Applications: Due to its improved properties, PLA Professional can be used for a wider range of applications, including those that require more durable and resilient parts.
  7. Ease of Printing: Like standard PLA, PLA Professional is easy to print with and doesn’t require a heated bed or closed printing chamber, making it accessible for hobbyists and professionals alike.
  8. Environmental Impact: Both types of PLA are biodegradable under industrial composting conditions. However, PLA Professional might have a slightly different environmental impact due to its additives and manufacturing process.

It’s important to note that the exact properties of PLA Professional can vary between manufacturers. Therefore, it’s advisable to check the specific product details or data sheets provided by the manufacturer for the most accurate information.