Need help to correct this lisp

[Anonymous]

The attached lisp creates 45 degree angle drainage pipe connection dynamically, but i need the created pipe connection to snap mid point of my floor trap blocks. Please help

[ВeekeeCZ]

Hi... I probably just don't know how this routine works, because it draws something, a drain, but it ends up with error. (C3D 2016)

But to your question. These dynamic routines (using the GRREAD function) are often without OSNAP support, because it's very complicated. But Lee Mac offers some solution HERE, so I tried to add this solution to your routine (written by Andrea Andreetti) ...just without digging any deep. It looks like it works.. (but still receiving the error at the end.)

So try...