Fixed black borders in visualization test
Fixed black borders in visualization test

YilunZhou/Klampt,krishauser/Klampt,YilunZhou/Klampt,hpbader42/Klampt,YilunZhou/Klampt,hpbader42/Klampt,krishauser/Klampt,hpbader42/Klampt,hpbader42/Klampt,krishauser/Klampt,krishauser/Klampt,YilunZhou/Klampt,hpbader42/Klampt,krishauser/Klampt,krishauser/Klampt