Thursday, October 23, 2014 - 10:25 am, by: Clayton Carlyle(Clayton)
Not free Ben but I got mine from office works for $145.00 I think. The best thing with the latest turbocad is it is compatible with autocad which cost thousands & you have to repay each year.
Turbocad will support DWG & DXF format which is what most machine shops use for their CNC machines. So you can simply draw it up at home & email to a machinist to get the bits cut out. I'm drawing up inlet flanges ATM for 1uz & 2jzge heads. Your drawings look great, you should see if they can be converted to DWG?