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BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines

10.jpg BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines
20.jpg BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines
30.jpg BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines
40.jpg BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines
50.jpg BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines
60.jpg BBHAMMER - repeating Ball Crossbow Slingshot with quick exchangeable Magazines
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Creation quality: 4.5/5 (6 votes)
Evaluation of members on the printability, utility, level of detail, etc.
  • 30.8k views
  • 206 likes
  • 243 downloads
  • 1 collection
  • 51 comments
  • 6 makes
License
3D design format
ZIP Folder details Close
  • BBHAMMER V1.2.zip
    • Building Instructions.pdf
    • STL Files - 300mm x 300mm Printbed/01 - Sled [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/01 - Sled [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/02 - Muzzle.stl
    • STL Files - 300mm x 300mm Printbed/03 - String Lock.stl
    • STL Files - 300mm x 300mm Printbed/04 - Trigger.stl
    • STL Files - 300mm x 300mm Printbed/05 - Handle [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/05 - Handle [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/06 - Handle Button.stl
    • STL Files - 300mm x 300mm Printbed/07 - Ball Release.stl
    • STL Files - 300mm x 300mm Printbed/08 - Mantle [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/08 - Mantle [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/09 - Lever [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/09 - Lever [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/10 - Lever Splint.stl
    • STL Files - 300mm x 300mm Printbed/11 - Shoulder Stock Rail [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/11 - Shoulder Stock Rail [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/12 - Shoulder Stock Body.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/01 - Sled [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/01 - Sled [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/02 - Muzzle.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/03 - String Lock.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/04 - Trigger.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/17 - Magazine.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/18 - Magazine Ball Pusher.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle - long - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle - long with Picatinny.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle - mid - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle - mid with Picatinny.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 14mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 15mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 16mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 17mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 18mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 19mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 20mm.stl
    • STL Files - 300mm x 300mm Printbed/12.0mm Ball Version - replacement Files/Muzzles/Muzzle for Tube Inlay - 21mm.stl
    • STL Files - 300mm x 300mm Printbed/13 - Shoulder Stock Buttend.stl
    • STL Files - 300mm x 300mm Printbed/14 - Shoulder Stock Button.stl
    • STL Files - 300mm x 300mm Printbed/15 - Bow Lock [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/15 - Bow Lock [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/16 - Name Plate.stl
    • STL Files - 300mm x 300mm Printbed/17 - Magazine.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/01 - Sled [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/01 - Sled [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/02 - Muzzle.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/03 - String Lock.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/04 - Trigger.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/17 - Magazine.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/18 - Magazine Ball Pusher.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/Muzzles/Muzzle - long - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/Muzzles/Muzzle - long with Picatinny.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/Muzzles/Muzzle - mid - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/Muzzles/Muzzle - mid with Picatinny.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/Muzzles/Muzzle for Tube Inlay - 20mm.stl
    • STL Files - 300mm x 300mm Printbed/17.2mm Ball Version - replacement Files (0.68Cal)/Muzzles/Muzzle for Tube Inlay - 21mm.stl
    • STL Files - 300mm x 300mm Printbed/18 - Magazine Ball Pusher.stl
    • STL Files - 300mm x 300mm Printbed/19 - Magazine Cap.stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION A] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION A] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION B] Pully.stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION B] [LONG] [LEFT] - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION B] [LONG] [RIGHT] - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION B] [SHORT] [LEFT] - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Arm [OPTION B] [SHORT] [RIGHT] - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/Addon Rubber Version/Rubber Base Inset.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION A] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION A] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION B] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION B] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION C] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION C] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION D] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION D] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION E] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION E] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION F with Guard] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION F with Guard] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION F] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION F] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION G] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Foregrip [OPTION G] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Picatinny Rail [BOTTOM] [LONG] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Picatinny Rail [BOTTOM] [LONG] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Picatinny Rail [BOTTOM] [SHORT] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Bottom/Picatinny Rail [BOTTOM] [SHORT] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Sides/DecoStripe [SIDES].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Sides/Grip [SIDES].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Sides/Picatinny Rail [SIDES].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Top/Picatinny Rail [TOP] [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Top/Picatinny Rail [TOP] [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Attachments Top/Simple Iron Sight [TOP].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Handle/Handle - AR 15 Adapter [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Handle/Handle - AR 15 Adapter [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Handle/Handle - no Shoulder Stock [LEFT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Handle/Handle - no Shoulder Stock [RIGHT].stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle - long - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle - long with Picatinny.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle - mid - PRINT SUPPORT NEEDED.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle - mid with Picatinny.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle - very short.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle for Tube Inlay - 16mm.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle for Tube Inlay - 17mm.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle for Tube Inlay - 18mm.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle for Tube Inlay - 19mm.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle for Tube Inlay - 20mm.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Muzzles/Muzzle for Tube Inlay - 21mm.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Shoulder Stocks/Shoulder Stock - AR15 Adapter.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Shoulder Stocks/Shoulder Stock Light - Variant 1.stl
    • STL Files - 300mm x 300mm Printbed/Optional Parts and Attachments/Shoulder Stocks/Shoulder Stock Light - Variant 2.stl

Learn more about the formats
Last update 2024-01-08 at 16:03
Publication date 2023-10-13 at 16:48
Design number 1512146
dondipper

dondipper

3D printer file info

3D model description

These files are provided for PERSONAL USE ONLY

The BBHAMMER is a a compact 3D printed repeating crossbow ballester for 12mm, 15mm and 17.2mm (0.68cal ) balls with a quick exchangeable magazine .

The crossbow can be powered by bow arms or rubber bands and equipped with different attachments, foregrips and shoulder stocks.

Differnt materials for the balls can be used like wood, plastic or steel.

Bow arms with up to 130lbs have been successfully tested with recommended filament (PLA+) and print settings.

The design is optimized for a 300mm x 300mm print bed.

Building instructions are included.

Hardware needed for the build is shown in Images.

The assembly is easy but requires some mechanical understanding and accuracy!

Some videos I found of Martin Scherzer who already built the BBHAMMER.
Thanks for sharing this!

https://www.youtube.com/shorts/UDzgXQleHJ0

https://www.youtube.com/shorts/74RnIOtoteg

https://www.youtube.com/shorts/PrbDhwjYKCs

Important notes -> read this before start downloading!

  • Before start downloading, making and using this device, make sure it is legal for your age and in your area / country!
  • I do not assume any liability for damages or injuries of any kind - use at your own risk!
  • I am not responsible for the consequences of building, possession and using this device!
  • The arch or rubber used is at the discretion of the builder and will have a significant impact on power and can affect the legal admissibility of the construction!
  • The material for balls used is at the discretion of the builder and will have a significant impact on power and can affect the legal admissibility of the construction!

YOU build it,YOU use it and YOU own it on YOUR own risk and responsibility!

and

  • Always keep it under lock when not in use and don’t leave it unattended when it is in use!
  • Keep it away from children and people who will not handle it responsibly!
  • Protect yourself by wearing safety goggles and protective clothing!
  • Do not shoot or aim at animals or people!
  • Use an archery mat or backstop to avoid ricochets or other damage!
  • The reliability of this build depends on your own building skills and the quality of the printed parts you created!
  • Shoot only in designated and secured areas - never in public or unauthorized areas!

These files are provided for PERSONAL USE ONLY. It is prohibited to share or redistribute these files or any derivatives / remixes, or to use them for commercial purposes, including selling the printed models.

2024/01/08 - Update 1.2
Added building option for 17.2mm balls (0.68cal)

2023/10/25 - Update 1.1
Added building option for 12mm balls

FAQs
Here a couple of regular questions, I answered in my previous designs:

Q: Will there be a version for small printbeds?
A: No - simply difficult due to the given structure of the design

Q: Will you publish the construction data or single step files?
A: No

Q: Do you sell printed models?
A: No - I'm just a designer having fun in designing new things

Q: Can I use this model for commercial use?
A: No - I designed this for fun and for the 3d community

Q: What can I do to improve accuracy?
A: Described in the building instructions

Q: Are there building instructions included
A: Yes

Q: What is needed to build this one?
A: Hardware kit is shown in images of this design

Q: Where to buy balls, bow arms, screws, springs etc.?
A: Amazon, eBay etc. - pls take a look yourself - there are so many dealers...

Q: Problem with Cults or how to buy?
A: Please contact Cults directly - I'm just the Designer...

Q: What ist the max dimension of the bow arm and what bow arm do you recommend?
A1: The max cross section dimension for a bow is 12mm width x 22mm height - max tested bow arm 130lbs
A2: Any bow arm witch fits to the max dimensions and max tested lbs

Q: What filament to use?
A: I personally prefer SUNULU PLA+ - cheap, easy to print and good for mechanical constructions

Q: Will you support other ball sizes in the future?
A: Will see - maybe in the next updates...

Q: Why use rubber around the bow arm?
A: It's to fix the bow and to absurb the energy

3D printing settings

  • The design is optimized for 3D printing with a layer height of 0.2 mm and a print bed of at least 300mm x 300mm!
  • All essential parts can be printed without any support structure!
  • The specified alignment / orientation of the parts on the print bed is crucial for later strength!
  • Recommended Material for this print are PLA+.
  • Some parts (e. g. Trigger, Lock and Lever Splint etc.) are recommended to print with 100% infill.
  • For the best strength and durability, its recommend printing all parts with a wall thickness of 2.25 mm, bottom and top walls thickness of 1.2 - 1.6 mm and infill of at least 30%.
  • Its also recommend printing at a slightly higher hotend temperature than usual.
  • The 3D printer should be well calibrated (extruder steps, flowrate, first layer height).

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