20号散弹壳包复制品与快扣盖子
20 Gauge Shotshell Pack replicas and snap caps
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A 20 gauge shotgun shell, also known as 20ga or 20G shotshell, is a centerfire shotgun cartridge. Centerfire shotgun shells were designed in the mid 1800s.
Includes 2 lengths: 2 3/4in (most common, 2.75in, 62mm), and 3in (68mm).
Note: Shotgun shells are measured by the total length of the uncrimped/unfolded shell. The actual length of a loaded 2 3/4 inch shell is around 2.5in.
Print this for props, display, education, training, or just because it's cool.
Contains 9 files:
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Accurately sized replicas: 20ga_2.75in_cartridge.stl, 20ga_3in_cartridge.stl
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Separate brass head and case pieces for easily printing in different colors: 20ga_2.75in_head.stl, 20ga_2.75in_case.stl, 20ga_3in_head.stl, 20ga_3in_case.stl
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Snap cap/dummy rounds for cycle and dry fire practice, with firing pin hole and reduced case size: 20ga_2.75in_snapcap.stl, 20ga_3in_snapcap.stl
- Information txt file with recommended print settings: 20ga_pack_info.txt
If you like this model, please consider donating: https://paypal.me/spearmountain
Print Settings
- Notes:
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Material: Tested with PLA and PLA+/PLA Pro.
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Overall print size: 68.4mm tall (3in cartridge), 19.46mm diameter.
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Layer Height/Quality: 0.16mm or less recommended, 0.12mm works best.
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Infill: 20% is fine for display, 30% or more recommended for snap cap use.
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Print Speed: 50mm/s or less recommended. I do 40mm/s overall speed and 10mm/s initial layer speed.
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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.
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Tags
License
20 Gauge Shotshell Pack replicas and snap caps
by spearmountain is licensed under the Creative Commons - Attribution - Non-Commercial license.
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