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0.16mm layer, 2 walls, 15% infill
Designer
1.7 h
1 plate
Open in Bambu Studio
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Bill of Materials
Maker's Supply Kits and Parts
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Description
Retractable WDT Tool With Twist Mechanism
Easy to print and assemble.
Bill of materials
3D printed:
1 x all parts in the file
other:
1 x M3x5 Button Head Cap Screw
6 x Acupuncture Needle 75 mm long 0,25 mm diameter
1x linear rail grease
Assembly
| Take the two inner parts, line them up like shown in the picture and insert the six needles through both parts. Notice how the part with the spirals has a bigger hole on one side. This is for the bigger head of the needle. |
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Pull the needles all the way in. To get the head in there is a small resistance and then it pops in and ends up beeing flush with the end. This way the needles are secured from falling out → also add grease all around the finns of this part. Screw dont need grease. This is crucial for a smooth operations. Without grease it wont work! You dont need much grase tho the part in the picture has grease already and you cant see |
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| Take the outer shell and insert the needels one in each barrel |
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| Push the whole unit just about this deep into the shell | 
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| Insert the endcap and carefully screw it all the way in. The needles should then automatically allign with the holes of the outer shell. | 
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| To hold everything togehter insert the screw from the front and tighten is slightly | 
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Enjoy!
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