Mini Drill Press for PCB Drill [remixed] [+Speed Control]

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PLA from £6 inc. UK delivery on letter-sized prints. We slice, print on a calibrated Creality K2 / Bambu A1, QC and post.

Based (remixed) by http://www.thingiverse.com/thing:628696
I just changed bracket file

Speed Control Part List:

1 - 555 IC
1 - 7806 IC
1 - TIP 41 Transistor
3 - 1N4001 Diode
1 - 10k ohm Potentiometer
1 - 1K ohm Resistor
1 - 100 ohm Resistor
1 - 100nF Capacitor
1 - Motor:
http://www.dx.com/p/m-d02-diy-repair-tool-mini-electric-drill-head-silvery-grey-golden-276581#.VkzXv-JsQ_g
SKU: 276581