Links related to milling PCBs with the Roland iModela.

iModela details:  http://www.rolanddga.com/products/milling/imodela/

iModela Purchase (US – includes spindle for 2.35 mm shank tools): http://www.rolanddgastore.com/product.aspx?zpid=1787

iModela Purchase (UK – includes spindle for 3 mm shank tools): http://www.imodela.co.uk

Replacement spindle for 3 mm shank tools (RLP-IMOD-025): http://www.imodela.co.uk/Spare_Parts.asp

Where to order custom 3 mm shank engraving bits (40 degree, 0.005″ tip): http://bitsbits.com

Manufacturer of 3 mm shank drill bits: http://www.microcutusa.com

Distributor of Microcut USA 3 mm shank drill bits: http://www.pioneertool.com 

Source for 3″ x 2″ single and double sided millable circuit board blanks: https://www.inventables.com/categories/electrical/circuit-board-blanks