reversion orientation + dual of cmap2 without boundaries
reversion orientation + dual of cmap2 without boundaries

david-cazier/CGoGN_2,etienneschmitt/CGoGN_2,untereiner/CGoGN_2,david-cazier/CGoGN_2,untereiner/CGoGN_2,cgogn/CGoGN_2,cgogn/CGoGN_2