[piertechpierre]

I am a newbie and need help with the importing of Autocad into BobCAD, version 24 or 25. Whenever I import an AutoCAD drawing into BobCAD, it somehow inflates in dimensions. My drawing was 889 mm long and 609.6 mm wide (kitchen cabinet 34 -1/2 inch tall, metric). When I opened it in BobCAD, the new length was 22,580.5996 mm long. I have to scale my drawing by 0.03937007943 to have it back to its natural size. How can I correct this?
How do you set the units in BobCAD? In AutoCAD you go to units and set them before your drawing.

Thank you for your help

Piertechpierre

[BurrMan]

Go to preferences-units and set to mm (part = current drawing...default = all new ones... If you use default, you must close the current doc and reopen a new one)

Then use "Merge" (import) to bring the drawing in.

[piertechpierre]

Thank you BurrMan,

Thank you for the prompt reply. I did that originally, I check my preferences and units and all are set at mm (at least this is what is highlighted). I will try again. The same thing happens in Mach 3. The machine sends the gantry ay 3800 instead of 889. I check and the units are always inch by default. I change to mm and as soon as I load G-code it goes back to inches.

So much to learn........

Piertechpierre

[piertechpierre]

Hi BurrMan,

I finally found out why I was having problems. I made a stupid rookie mistake in AutoCAD. My units were not metric, just decimals. You were right about units. When the drawing was imported, it reverted to the original drawing units. I asked AutoCAD to give me the measurements in both imperial and metric as secondary. That is when I found out my mistake. My 32mm space between holes was actually 32 ft. I redid the drawing, in metric, and now the problem is solved.
I logged in more than 3,000 hours of Autocad, stopped for one year and made a rookie mistake!
Thank you for the help
Piertechpierre