See the new files I sent you and the email. Most of the info is there. It's a complex piece to make. Pretty much requires a lathe and a milling machine with a rotary table....you could probably get away without the milling machine if I sent you my plate to copy with a layout punch. You'd still have to turn an accurate blank, cut the inside hole and make the cutout for the stator coil.
Email me and let me know what you think.
I use a typical flatbed scanner to scan in 2D objects like flat mounting plates, gaskets, the mounting surface of various engine components. Scan and saving using a format like tiff and AutoCad allows you to bring the raster image into a drawing at proper scale. You then simple trace the raster image with normal AutoCad drawing tools and you end up with a vector CAD drawing over the top of the raster image in the background.
Scan at something like 300 dpi, and you have accuracy down to 1/300th of an inch. AutoCad reads the scale off the tiff image file imports it at that scale....meaning if you scan a 6mm hole in a gasket...bring it into AutoCad...then use the circle tool to trace the hole...it will be a 6mm circle in the drawing.
Once I get a good DXF file built I import it into the emachineshop software and run validity checks on it. Rarely will it check out without making corrections...but when you get it right you pick your materials, choose the machine you think would be best ( mill, lathe, laser cut etc), then do a price check...all real time. If things come out to your liking you upload the file to emachineshop.com, send them the money and a month later you get the parts.
The intake flanges at the top of this page were made for me by emachineshop
You can of course get all the details and download the software for free at:
Be aware that if you send them the wrong drawings....you will get back the wrong parts...and there are no returns.
For some projects I can use a "bitmap to vector" program which will do some of the grunt work tracking a raster image and converting it to a vector format that can be used as a DXF file.