Free Stuff!
Check back soon as we add new stuff all the time!
Here you will find free STLs, CAD Drawings, and other things designed and developed by DAG.
Just click a Pic to start your download!
Free 150" Span T-28 RC Plane CAD Drawings (Click on the image to download)
These CAD drawings are provided as a starting point for building your own T-28 RC airplane. While not at the level of professional, fully detailed engineering drawings, they offer a solid foundation for hobbyists, makers, and RC enthusiasts who want to explore designing and building their own scale model.
The drawings outline the general structure, proportions, and layout of the T-28, giving you a framework to modify, refine, and adapt to your own project needs. Builders should expect to make adjustments, add detail, and customize parts as they progress through their build.
Key Details:
-
Format: CAD drawings
-
Model: T-28 Trojan (RC airplane version)
-
Intended Use: Personal projects, hobby builds, and design reference
-
Skill Level: Best suited for intermediate to advanced RC builders comfortable with modifying and improving base plans
⚠️ Disclaimer: These drawings are not professional-grade and may not contain the level of detail required for precision machining or direct manufacturing. They are provided free as a creative foundation for RC builders.
160" Span Lockheed C-130 Hercules Plane CAD Drawings
These CAD drawings are provided as a starting point for building your own Lockheed C-130 Hercules RC airplane. While not at the level of professional, fully detailed engineering drawings, they offer a solid foundation for hobbyists, makers, and RC enthusiasts who want to explore designing and building their own scale model.
The drawings outline the general structure, proportions, and layout of the Lockheed C-130 Hercules, giving you a framework to modify, refine, and adapt to your own project needs. Builders should expect to make adjustments, add detail, and customize parts as they progress through their build.
Key Details:
-
Format: CAD drawings (starter-level, hobbyist use)
-
Model: De Havilland Mosquito Trojan (RC airplane version)
-
Intended Use: Personal projects, hobby builds, and design reference
-
Skill Level: Best suited for intermediate to advanced RC builders comfortable with modifying and improving base plans
⚠️ Disclaimer: These drawings are not professional-grade and may not contain the level of detail required for precision machining or direct manufacturing. They are provided free as a creative foundation for RC builders.
P-40E Warhawk Exhaust System – STL File for 3D Printing
Bring the iconic look of the Curtiss P-40E Warhawk to your RC airplane with this highly detailed exhaust stack system STL model. Designed for scale builders and enthusiasts, this file captures the signature lines of the Warhawk’s side-mounted exhausts to give your aircraft that unmistakable WWII presence.
Perfect for:
-
RC Airplanes – Add an authentic, historically inspired detail to your scale P-40 build.
-
Display Models – Enhance static scale models with true-to-life exhaust detail.
-
Collectors & Hobbyists – A conversation-starting addition to your WWII aviation projects.
Features:
-
High-Detail Design – Accurately shaped to mimic the real P-40E’s exhaust system.
-
Optimized for 3D Printing – Clean geometry for reliable prints in ASA, PLA, PETG, or resin.
-
Scale-Friendly – Easily resizable in your slicer to match your project’s wingspan and scale.
-
Assembly Ready – Designed in sections for simple printing and assembly (most parts require little to no support).
Specifications:
-
File Format: STL
-
Recommended Print Bed Size: 200mm x 200mm or larger
-
Skill Level: Beginner to Intermediate
⚠️ For Display Use Only – This model is a non-functional exhaust system intended for visual accuracy and RC scale detailing.
RC Pilot Mikey Hunt STL File for 3D Printing – Free Download
Bring your RC airplanes to life with this 3D printable RC Pilot STL model. Perfect for adding realism and character to your cockpit, this model is designed with hobbyists in mind.
-
Free STL File – Download and print at no cost.
-
Customizable Size – Easily scale in your slicer software to fit a wide range of RC aircraft cockpits.
-
Lightweight & Print-Friendly – Optimized for easy printing on most FDM and resin 3D printers.
-
Great for Scale Models – Adds that authentic finishing touch to your RC airplane projects.
Whether you’re looking to enhance your scale detail or just want a fun pilot figure for your RC plane, this STL provides a simple, no-cost starting point.
RC Pilot Doug Dribbles STL File for 3D Printing – Free Download
Bring your RC airplanes to life with this 3D printable RC Pilot STL model. Perfect for adding realism and character to your cockpit, this model is designed with hobbyists in mind.
-
Free STL File – Download and print at no cost.
-
Customizable Size – Easily scale in your slicer software to fit a wide range of RC aircraft cockpits.
-
Lightweight & Print-Friendly – Optimized for easy printing on most FDM and resin 3D printers.
-
Great for Scale Models – Adds that authentic finishing touch to your RC airplane projects.
Whether you’re looking to enhance your scale detail or just want a fun pilot figure for your RC plane, this STL provides a simple, no-cost starting point.
RC Plane Servo Size Calculator Spreadsheet – Free Download
Take the guesswork out of servo selection with this free RC Plane Servo Size Calculator spreadsheet.
Designed as a helpful tool for hobbyists, this spreadsheet allows you to estimate the recommended servo size based on the dimensions of your aircraft’s flying surfaces.
-
Free Spreadsheet Tool – Simple and easy-to-use.
-
Surface-Based Sizing – Input control surface size to calculate an appropriate servo strength.
-
Useful for Planning – Helps when building, upgrading, or experimenting with new RC planes.
-
Customizable – Adjust for your own models and preferences.
-
⚠️ Important Notice:
This calculator is provided as-is, for reference only. It is not a guarantee of safety or performance. Users must apply their own judgment and verify servo selection through proper testing. By downloading and using this spreadsheet, you agree to use it at your own risk.
STL Radial Engine Model for Carbon T-28 RC Plane
Bring scale detail and vintage aviation flair to your Carbon T-28 RC plane with this 3D printable Radial Engine model STL. Designed specifically to complement the Carbon T-28 platform, this model adds a strikingly realistic radial engine face, enhancing the classic warbird look without adding unnecessary weight.
Key Features:
-
Perfect Fit for Carbon T-28 – Optimized dimensions make installation simple while maintaining the plane’s aerodynamics.
-
Lightweight Design – Hollow and reinforced structure ensures durability while keeping weight to a minimum.
-
Highly Detailed – Crisp cooling fins, pushrod housings, and cylinder heads recreate the authentic look of a radial engine.
-
Customizable – Print in your preferred material or scale up/down for other aircraft or static display projects.
-
Easy to Print – STL files are oriented for efficient 3D printing with minimal supports.
Whether you’re flying your T-28 at the field or displaying it on the shelf, this radial engine design adds that extra wow factor that makes your model stand out. Perfect for hobbyists, scale enthusiasts, and RC pilots who want their plane to look as good as it flies.
⚠️ Note: This model is for decorative use only and is not a functional engine. Always ensure proper installation and balance before flying.
STL Front Half Radial Engine Model – Universal RC Plane Upgrade
Give your RC plane the classic look of a vintage warbird with this 3D printable Radial Engine STL model. Designed as a lightweight decorative upgrade, this model adds scale realism to almost any RC aircraft while keeping your build flight-ready.
Features:
-
Universal Fit – Works with a wide range of RC planes, from foamies to giant-scale builds. Simply size the STL to match your cowling.
-
Highly Detailed – Includes realistic cylinder heads and cooling fins for an authentic radial engine appearance.
-
Lightweight & Flight Friendly – Designed with hollow and reinforced geometry to add detail without adding excessive weight.
-
Easy to Print – Optimized for 3D printing with minimal supports and simple assembly.
-
Customizable – Scale up or down to suit different aircraft, or print as a static display piece for your workshop or office.
⚠️ Note: This STL is for decorative use only and is not a functional engine component. Always check weight and balance before flying your RC plane.
RC Parts Tray Type A – Because Tiny Screws Have Legs
If you’ve ever watched a servo screw vanish into another dimension, this 3D printable RC parts tray is your new best friend. Built for RC airplane nuts (and the nuts & bolts they drop), it keeps your parts, tools, and mystery washers right where you left them. Lightweight, tough, and ready to print—no more crawling on the shop floor looking for that one last screw!
RC Parts Tray Type B – Because Tiny Screws can also have Wings
This 3D printable organizer keeps your tools and tiny RC bits from pulling a disappearing act. With multiple compartments, it’s like a pit crew for your workbench, minus the coffee breaks. Print one, and never lose another servo screw to the shop floor abyss!
Click on the Image to get the STEP file I created of the wing.