Grew, low hardware magfed MXL blaster
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Grew, the Greg we have at home. A low hardware, magfed MXL blaster shooting from HvZ levels up to 200fps.
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Updated at source:
Model information
- Source
- Printables
- Category
- Outdoor Toys
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This is the blaster I designed when I wished I had a Big Greg. It is Grew, the Greg we have at home.
It is a low hardware magfed bolt-action MXL stringer blaster
Goal was to be able to DIY it for under 70$ including hardware and filament.
THIS TOY CAN SEVERLY HARM OTHERS. IT IS UNSAFE TO SHOOT ON LIVING BEINGS AT UNRESTRICTED FPS.
ONLY USE IN GAME AFTER AN ADEQUATE CHRONO TEST HAS PROVEN YOU ARE UNDER SAFETY LIMITS.
Can be tuned from HvZ levels up to 200fps, depending of the version you choose to print :
- 1 loop of 4mm TBD (HvZ version - using short barrel)
- 3/16" or 5mm TBD (HvZ version)
- 2 loops of 4mm TBD (HvZ version - using short barrel)
- 2 loops of 4mm TBD (HvZ version)
- 1/4" or 6mm = K25 TBD (HvZ version)
- 3 loops of 4mm = K25 TBD (HvZ version)
- 3/8" or 9,5mm = K14 TBD (HvZ version)
- 4 loops of 4mm = K14 TBD (HvZ version)
- 1/4" or 6mm = K25 TBD (Long Draw version)
- 3/8" or 9,5mm = K14 170fps (Long Draw version)
- 1/2" or 13mm = K12 + K31 200+fps (Long Draw double-bolt version)
It is compatible with Evan's Full Length MXL mags.
ATTENTION : Please read the instructions in the .txt files as it needs specific slicer settings to ensure no zipping sound when priming and a good dart flow.
Using the 3mf files is strongly recommended.
Hardware required :
- 10ft of elastic string
- 2 strands of 1/8" (3mm) elastic string or hair band
- 3.5kg of PLA
- 50g of TPU
- Lube (generic silicone oil works)
- CA glue
Tools required :
- Cutter to remove brim
- Sandpaper to remove flashing
- Pointy flat head screwdriver or metal pick to remove flush pins for disassembly.
- Pliers to help remove pins
Special thanks to :
Evan for the Big Greg inspiration to shoot big darts powerfully
Sillybutts for the LHTCU inspiration to print a barrel
gargunkle for the Frayed Knot inspiration to convert to a plungered stringer
Bruce LeedleLeedleLeedleLee for the Anemone inspiration to print a PT and o-rings
The build process is the same as for Woose, so follow this build guide :