If you make a long block, make it a group, set the pivot to the top of the long block, get to 0 rotation snap and 16m position snap, size the long block bigger and switch back to 0m position snap as presented below in this video:
#Collision long block glitch
opaque cliff
willow narwhal
gng what does pivot even do
opaque cliff
gng what does pivot even do
It changes where you can move the block
middle pivot = it moves relatively to middle