Are you using the bundled graphics driver, which may be optimised for gaming ? You may need a generic driver from the chip-maker eg Nvidia...

Thank you !

My bad. It was very, very late, and 'Robbie the Ratter' aka '005½' had just returned from her 3AM feline patrol soaking wet, demanding food and fuss...

<r>I used to craft Medieval-ish scenes with TurboCAD, FloorPlan and Poser 4, but have been out of CAD for a decade.<br/>
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Returning, the budget version of TC <B><s>[b]</s>still<e>[/b]</e></B> has its 3D Boolean legacy bug. The FP version is now too complex, too restrictive, and lacks back ...