Thanks -- other SOP4 parts were too wide for IXYS part, this one is correct size.

it looks good apart from mega X/Y/Z offset

Incorrect

The part exactly fit once I got it in place, but it was wildly offset which made placement difficult.  The Z is especially tricky; try an offset of -3...

Моделька супер, а вот координаты начала сбиты пипец как.