Research on an Intelligent Identification and Classification Method of Complex Holes in Triangle Meshes for 3D Printing

Table 2

Comparison of hole identification and repair results.

Models	Methods	Continuous holes	Simple holes	Crack holes	Dislocation holes	Annular holes	Island holes
Backpack	Geomagic	×	√	—	—	—	—
	The proposed method	√	√	—	—	—	—
Bird pendant	Geomagic	—	—	—	—	×	—
	The proposed method	—	—	—	—	√	—
Leaf	Geomagic	—	—	×	×	—	—
	The proposed method	—	—	√	√	—	—
Hat	Geomagic	—	√	×	—	—	—
	The proposed method	—	√	√	—	—	—
Ornament	Geomagic	—	√	—	—	×	√
	The proposed method	—	√	—	—	√	√

“×” represents that the model has such holes and the method is not workable; “√” represents that the model has such holes and the method is workable; “—” represents that the model does not have such holes.