This patch adds the pull command into brlcad. This is to show the current working version of command. patch should apply cleanly; but still developing command. make sure you apply with the brlcad root directory
here is the modified patch with the 'f_joint' error removed. patch applies cleanly
stubbing an empty pull routine into BRL-CAD
stubbing the pull_comb() routine which pulls matrix transformations from a combination moving up the CSG tree.
stubbing the complete pull routine supporting both combinations and pulling translations from leaves.