.410 Bore装填包复制品与弹匣扣件

.410 Bore Shotshell Pack replicas and snap caps

2023-07-25 05:18:02

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Summary

A .410 bore shotgun shell, also known as .410 shotshell, is a centerfire shotgun cartridge. Centerfire shotgun shells were designed in the mid 1800s.

Includes 2 lengths: 2 1/2in (most common, 2.5in, 60mm), and 3in (72mm).

Note: Shotgun shells are measured by the total length of the uncrimped/unfolded shell. The actual length of a loaded 2 1/2 inch shell is around 2.4in.

Print this for props, display, education, training, or just because it's cool.

Contains 9 files:

Accurately sized replicas: 410Bore_2.5in_cartridge.stl, 410Bore_3in_cartridge.stl
Separate brass head and case pieces for easily printing in different colors: 410Bore_2.5in_head.stl, 410Bore_2.5in_case.stl, 410Bore_3in_head.stl, 410Bore_3in_case.stl
Snap cap/dummy rounds for cycle and dry fire practice, with firing pin hole and reduced case size: 410Bore_2.5in_snapcap.stl, 410Bore_3in_snapcap.stl
Information txt file with recommended print settings: 410Bore_pack_info.txt

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Print Settings

Notes:
- Material: Tested with PLA and PLA+/PLA Pro.
- Overall print size: 72mm tall (3in cartridge), 13.59mm diameter.
- Layer Height/Quality: 0.16mm or less recommended, 0.12mm works best.
- Infill: 10% is fine for display, 20% or more recommended for snap cap use.
- Print Speed: 50mm/s or less recommended. I do 40mm/s overall speed and 10mm/s initial layer speed.
- Adhesion: A brim might be needed, depending on the printer and bed type. I have a textured PEI bed, and with proper calibration, additional adhesion isn't needed.
- Post print: The pieces may require some sanding or filing for proper fitment if the bottom layers bulged out a little. Fitment should be a little snug, but easy to take in and out. A properly calibrated setup shouldn't need additional work.