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hi Rudy, I have no problems with your file, but used “ObjectDoctor“ before exporting. OBJ-Crash_Object.obj

the easiest way to solve this is to use "Derive > Projection" to ground plain. vva

In the "Open" and "Import" dialog the checkbox for "Add to project" is not available. click on the "Options" button shows no reaction... vva

hi JL, there are 3 small holes in your hood (for the cables), they make the faceting a bit complex. work around : derive the contour and rotate it. so you have best control over the faceting. vva

yes, it runs fine. no problems here...

good morning Jean Luc here is the zipped file : https://www.dropbox.com/s/mwukfgcjnovidy3/SKYLOOP.IGS.fmz.zip?dl=0 there was a lot of corrupt geometry in the file it worked with skip point and text objects and "heal corrupt geometry" vva

Allan please try this file: Measure between.fmz.zip vva

Allan, I think your objects have some problems. I did the following: derive the top faces of the objects, use Object Doctor and give them the height again with the Reshape tool. i'm on iMac 10.13.5; fZ 8.6.2 (10099) vva

hi Allan, the distance from top to top is 2,00m but the "Measure Between" tool measures from top to bottom and because the thickness of the upper object is 0,10m you get 1,90m between the objects. vva

the left part of the tubes has severe problems. delete that object and rotate with copy the other object and then you can union both objects vva

yes I can no problems here I use it all the times iMac 10.13.4 fZ 8.6.2

hello Anton, this is not a lamp ! its a hood: have a look at the website of "FALMEC.com" vva

this is the File SAT (acis 19)

here it is... Sophie_54_sempl.fmz.zip

hi asone, today I had the same problem I have two kinds of shadows in one file: the "good shadow" is from an old file and the" jigsaw-shadow" is from an object that was copied from actual file (built with formZ 8.6.1 - iMac 10.13.4) vva