Model Rocket - Modular Snap-Together

This is a 3D printable model rocket capable of accepting Estes 24mm D or E engines. Each module features twist-lock couplers making it easy to assemble, disassemble, and repair. Simply slide two modules together, then twist clockwise until they click together. If each module is printed separately with a fixed Z-seam, the Z-seams should line up.


The rocket in the thumbnail is made up of
- (1x) 2in x 4in Long Fins with 24mm engine holder
- (1x) 2in x 4in 1-8in Launch Lugs
- (1x) 2in x 4in Fuselage
- (1x) 2in x 4in Nose Cone Adapter
- (1x) 2in x 4in Nose Cone
- (1x) D engine spacer (not needed if using E engines)
- (1x) 24mm engine tube cap

The nose cone accepts a [1-1/8" eye hook](https://www.walmart.com/ip/Hyper-Tough-1-1-8-in-New-Screw-Eye-Zinc-Plated-14-Pieces/1345816419) for attaching the shock cord. The other end of the shock cord can be attached to the inside of a nose cone adapter module using Estes' method:
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