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CarnyRex Flintlock Pistol/Axe/Carbine: Print & Hardware Guide
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Looking for the musket build guide instead? You can find that here: https://docs.google.com/spreadsheets/d/1u9mxM6vdB7DCNMBZCn1wJmmVDWAZ4hR5tSQ1wr4sgvg/edit?usp=sharing
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How to use this guide
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1. Make sure you have the .STL files for the CarnyRex flintlock nerf blaster. You can get those here: https://www.etsy.com/shop/CarnyRex
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2. Print out everything in the Core subassembly, then pick a Stock & and a Barrel option from the table below (Some barrel options may replace parts of the Core print, like the ramrod).
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3. If you are not sure about a setting, or something seems wrong, reach out to: CarnyRex@gmail.com I'd be happy to answer any questions / update this guide.
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4. After you've printed out everything, go to https://youtu.be/UMsmsa-9YsM to watch the assembly guide!
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Parts
Recommended print settings
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FolderSub_assemblyPartQuantityUpdate linkPallette
Resolution (mm)
Walls (mm)InfillSupports?Brim?
Slicing/ printing notes
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Core partsCore
- Print everything here, unless you are using a barrel option that lists a replacement part (e.g. rails, ramrod)
- The spring you use for the catch can be anything that roughly fits, you don't need to find a specific one. I often steal the springs inside click-pens.
Stock_mid_v21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Wood / Brown0.21.218%YesNo
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Ramrod1N/AWood / Brown0.21.218%NoYes
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Barrel_muzzle1N/AMetal / Grey0.21.218%NoNo
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Barrel_tang1N/AMetal / Grey0.21.218%YesYes
If you experience a baad overhang on this part, use a support with an X-y distance of 0.4 or less
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Butt_cap1N/ABrass / Gold0.21.218%NoNo
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Butt_ring1N/ABrass / Gold0.21.218%NoNo
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Butt_ring_holder1N/ABrass / Gold0.21.218%NoNo
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Catch_block1N/AMetal / Grey0.21.218%NoNo
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Catch_sear1N/AMetal / Grey0.21.218%NoNo
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Catch_trigger_V21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Metal / Grey0.21.218%YesNo
This part has a small overhang which prints best with some supports despite not being a steep angle. Use a small minimum support area to ensure you catch it!
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Lock_bridle_V21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Metal / Grey0.21.218%YesNo
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Lock_flint1N/AMetal / Grey0.21.218%YesNo
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Lock_frizzen1N/AMetal / Grey0.21.218%YesNo
This part has a small overhang which prints best with some supports despite not being a steep angle. Use a small minimum support area to ensure you catch it!
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Lock_frizzen_spring1N/AMetal / Grey0.21.218%NoNo
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Lock_hammer_A1N/AMetal / Grey0.21.218%NoNo
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Lock_hammer_B1N/AMetal / Grey0.21.218%NoNo
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Lock_hammer_jaw1N/AMetal / Grey0.21.218%NoNo
This still works at 0.2 layer height, but will look much better this way
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Lock_hammer_jaw_screw_A_V21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Metal / Grey0.21.218%NoNo
This still works at 0.2 layer height, but will look much better this way
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Lock_hammer_jaw_screw_B1N/AMetal / Grey0.21.218%NoNo
This still works at 0.2 layer height, but will look much better this way
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Lock_mainspring1N/AMetal / Grey0.21.218%YesYes
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Lock_pan1N/AMetal / Grey0.21.218%YesNo
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Lock_plate1N/AMetal / Grey0.21.218%NoNo
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Lock_sear_A1N/AMetal / Grey0.21.218%NoNo
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Lock_sear_B1N/AMetal / Grey0.21.218%NoNo
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Lock_tumbler1N/AMetal / Grey0.21.218%NoNo
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Lock_tumbler_key1N/AMetal / Grey0.21.218%YesNo
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Lock_sear_spring_V21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Metal / Grey0.21.218%NoNo
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Rail_bottom1N/AMetal / Grey0.21.218%NoNo
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Rail_head1N/AMetal / Grey0.21.218%NoNo
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Rail_top1N/AMetal / Grey0.21.218%NoNo
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Ramrod_head_V21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Brass / Gold0.21.218%NoNo
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Sideplate1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Brass / Gold0.21.218%NoNo
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Sled_rival1N/ABrass / Gold0.21.218%NoNo
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Sled_with_post1N/ABrass / Gold0.21.218%YesNo
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Ramrod_guide_front1N/ABrass / Gold0.21.218%NoNo
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Stock_ring_V21
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Brass / Gold0.21.218%NoNo
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Trigger_guard1N/ABrass / Gold0.21.218%NoYes
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No.32 Rubber band (3mm wide, 76mm long)4N/AN/AN/AN/AN/AN/AN/A
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M5 x 10mm (Pan head, Slot)11N/AN/AN/AN/AN/AN/AN/A
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M5 x 20mm (Pan head, Slot)7N/AN/AN/AN/AN/AN/AN/A
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M5 x 30mm (Pan head, Slot)6N/AN/AN/AN/AN/AN/AN/A
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M5 x 60mm (Pan head, Slot)2N/AN/AN/AN/AN/AN/AN/A
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M5 hex nut (optional)1N/AN/AN/AN/AN/AN/AN/A
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2cm x 1cm Spring2N/AN/AN/AN/AN/AN/AN/A
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Stock options .Stock options
Pick one! High infill is necessary for strength. Some have been moved to the legacy folder to keep the zip size down.

The biggest shoulder stock (Shoulder_stock_fancy) has it's own subfolder here. It *also* has a split version that uses the same settings

"Nut" versions of these files have a slot for an additional M5 Hex nut, which will make the join with the rest of the stock stronger.
Stock_grip1N/AWood / Brown0.21.230%NoNo
More infill is always better for these parts
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Stock_longhandle1N/AWood / Brown0.21.230%NoNo
More infill is always better for these parts
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Stock_grip_Nut1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Wood / Brown0.21.230%NoNo
More infill is always better for these parts
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Stock_longhandle_Nut1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Wood / Brown0.21.230%NoNo
More infill is always better for these parts
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Stock_grip_Nut1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Wood / Brown0.21.230%NoNo
More infill is always better for these parts
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Stock_shoulder_basic1N/AWood / Brown0.21.230%NoNo
More infill is always better for these parts
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Stock_shoulder1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Wood / Brown0.21.230%NoNo
More infill is always better for these parts
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Buttplate_A1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Brass / Gold0.21.218%NoNo
More infill is always better for these parts
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Buttplate_B1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Brass / Gold0.21.218%NoNo
More infill is always better for these parts
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Accessory options .Accessory options
Replacements for core parts, or just for fun bits.
Flat_butt_cap1
https://drive.google.com/drive/folders/1Wgq3vDLl04fTNVPl8xqyxBixJp0hqc2B?usp=sharing
Brass / Gold0.21.218%NoNo
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Old_Ramrod_head1N/ABrass / Gold0.21.218%NoNo
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Belt_clip1N/ABrass / Gold0.21.218%YesNo
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Barrel options .Octagon Barrel (Pistol)
- Fancy! (treat this as the default)
- Works on most printers (e.g. ender 3)



Sho_stock_front1N/AWood / Brown0.21.218%YesYes
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Sho_barrel_body1N/AMetal / Grey0.21.218%NoYes
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Sho_barrel_base1N/AMetal / Grey0.21.218%NoYes
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Sho_ramrod_guide_back1N/ABrass / Gold0.21.218%NoNo
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Sho_barrel_muzzle1N/AOrange0.21.218%NoNo
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Shorty Barrel (Small pistol)
- Optimized for smaller printers (e.g. prusa mini).
Sho_stock_front1N/AWood / Brown0.21.218%YesYes
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Sho_barrel_body1N/AMetal / Grey0.21.218%NoYes
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Sho_barrel_base1N/AMetal / Grey0.21.218%NoYes
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Sho_ramrod_guide_back1N/ABrass / Gold0.21.218%NoNo
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Sho_barrel_muzzle1N/AOrange0.21.218%NoNo
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Axe Barrel
- Optimized for smaller printers (e.g. prusa mini).
- Reuse the barrel parts from the shorty version here.
- Note extra required hardware
Axe_stock_front1N/AWood / Brown0.21.218%NoYes
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Axe_head1N/AMetal / Grey0.21.218%NoNo
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Axe_Blade_piece_B1N/AMetal / Grey0.21.218%NoYes
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Axe_Blade_piece_A1N/AMetal / Grey0.21.218%NoYes
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M5 x 10mm (Pan head, Slot)1N/AN/AN/AN/AN/AN/AN/A
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Carbine barrel (Small musket) (Legacy option)
- Needs a larger printer bed (e.g. Cr-10)
- Fancy! Use if you want a sort of 1600s century carbine look.
- Weird performance, stretches elastics too far AND barrel adds too much fiction.
Car_stock_front1N/AWood / Brown0.21.218%YesYes
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Car_barrel_body1N/AMetal / Grey0.21.218%NoYes
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Car_barrel_base1N/AMetal / Grey0.21.218%NoYes
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Car_ramrod_guide_back1N/ABrass / Gold0.21.218%NoNo
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Car_barrel_muzzle1N/AOrange0.21.218%NoNo
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Car_Rail_bottom1N/AMetal / Grey0.21.218%NoNo
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Car_Rail_top1N/AMetal / Grey0.21.218%NoNo
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Car_Ramrod1N/AWood / Brown0.21.218%YesYes
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Cavalry Barrel (Large pistol) (Legacy option)
- Works on most printers (e.g. ender 3)
- Long pistol barrel, same performance as shorter ones.
Cav_stock_front1N/AWood / Brown0.21.218%YesYes
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Cav_barrel_body1N/AMetal / Grey0.21.218%NoYes
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Cav_barrel_base1N/AMetal / Grey0.21.218%NoYes
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Cav_ramrod1N/AWood / Brown0.21.218%NoYes
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Cav_ramrod_guide_back1N/ABrass / Gold0.21.218%NoNo
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Elastic Musket Barrel (Medium musket) (Legacy option)
- Works on most printers (e.g. ender 3)
- Note extra required hardware.
- 50cm long musket barrel. performance is great,
wears through elastic quickly though - consider alternatives like bungie cord.
Mus_Stock_front_B1N/AWood / Brown0.21.218%YesYes
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Mus_Stock_front_A1N/AWood / Brown0.21.218%YesYes
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Mus_Barrel_band_B1N/ABrass / Gold0.21.218%NoNo
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Mus_Barrel_band_A1N/ABrass / Gold0.21.218%NoNo
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Mus_Barrel_A1N/AMetal / Grey0.21.218%NoNo
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Mus_Barrel_B1N/AMetal / Grey0.21.218%NoNo
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Mus_Barrel_C1N/AMetal / Grey0.21.218%NoNo