Same here. I actually build a similar "3d renderer" and ran into the same perspective "issue" op had. Unfortunately I didn't figure out how to fix that back the

Same here. I actually build a similar "3d renderer" and ran into the same perspective "issue" op had. Unfortunately I didn't figure out how to fix that back then. So I actually finally learned how that's solved almost 30 years later. I should fix my QB4 code :-)