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Hi everyone I'm starting to draw in autocad, and i've been trying to make a rim, but i have a problem i don't know how to make the width of the rim, first i did an arc of 3 points from the first circle to de second and connect to the last circle, and after that i did an offset of 1.5 and 2 becase the arc that connects with the angle of 30° is supposed to be 26, so and offset of 1.5 should give me 27.5 and an offset of 2 to the right should give me 24 but, anyway i don't think i'm correct or if the arc command is the correct one to use. I'll attach an image of the diagram, i hope you can help me. thank you very much. I'm using autocad 2014 NO LT

Hi all, I've been struggling with this all week. I have ACAD 2009 (and 3ds Max 2010 which works fine). I'm working on a Lenovo T60p laptop and my graphics card is an ATI MOBILITY FireGL V5200. I have 4G RAM, though this machine with Windows XP, 32 bit can only use 3G of it. After using the program for months with no problems, it started to spontaneously close after opening a drawing and clicking my mouse's scroll wheel. I have a Logitech mouse, but also tried a Dell mouse and experienced the same issue. When it closes, I mean to say that there is no notification, no asking me if I want to save the drawing, no "fatal error". It simply vanishes from my screen. When I reopen it, it recognizes that it did not close properly. I checked mouse drivers (standard HID-compliant driver is up to date, though it's 9 years old), and CAD and normal graphics card drivers (updated after the problem began). The files work just fine on other computers. I've uninstalled and reinstalled CAD and don't feel like doing that again. Any suggestions?