3 Jaw Chuck Full set with back plate 12mm threaded with both in and out jaw sets

infill = 100%
Layer height 0.2
Print Quality = high

You may need to clean or sand little bit gears etc. to make it perfect also its all depend on your 3D printer's setting
use grease to lubricate only after final test. Make sure all the parts are moving freely not jammed and not loose too.

Use Elan Key ranch 1/8" to loosen or tighten the jaws

You may need 6 screws 2mm x 10 mm long
If you dont want to use drive shaft or for drill you can use hex nut and M4 screw as length up to your requirement 50mm / 2" recommended nut outer is 7mm
Making drive shaft 10mm with 12mm thread soon will upload.

Tell us if you need any modification etc.

to keep more good work please donate so i will be able to spare some time
thanks
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6x M2 screws 10mm long
1x 4M x 50mm or drive shaft require (either one)