theguitarguy:
SPNG can only be moved left and up, because the TPT screen is calculated left>right and up>down. so if it is moving right, the back parts will be calculated before the ones in front, they bump into the front ones, and stall.
always type !set vx spng -1
or !set vy spng -1
theguitarguy:
because the TPT screen is calculated left>right and up>down