colloidal silver heated magnetic spinner lab stirrer

thingiverse

Colloidal Silver Heated Magnetic Spinner You'll need to print this in ABS because of the heat bed. Print at 100% infill or it will tear itself apart, warping. I put felt pads on the bottom in the four corners. Spinner 40mm CPU fan, 12v 10x2mm magnets x2 M3x60 and aquarium tubing for spacer Heat Bed (http://dirtypcbs.com/store/designer/details/peter.plaaswerf@gmail.com/168/100x100mm-3D-printer-heated-bed) A proto pack is 12 of them if I remember right. The heat bed helps speed up Electroless in the distilled water. 555 PWM x3 (schematic is in pics) Allows you to control temp and spinner speed, also pulse on electrodes helps control particle size. There are some holes that need drilled - IE to hold top on to mount fan inside and for heat bed. For 12v power supply I used Xbox 360 Power Brick You will need to modify the 555 PWM schematic for this project but if you can't see what needs changed, you probably can't build the timer yourself anyway LOL. It is the same timer you would use in a PWM box mod. The glass came from the Dollar Tree and the coated magnetic spinner came from eBay. Silver rods came from eBay only use 9999 silver.