This is and important patch that fixes some of the annoying collision bugs in 1.52
http://www.newtondynamics.com/downloads ... n-1.53.zip
http://www.newtondynamics.com/downloads ... c-1.53.zip
http://www.newtondynamics.com/downloads ... .53.tar.gz
http://www.newtondynamics.com/downloads ... W-1.53.zip