Fig. 8From: 3D digital technologies applied to the design and printing of auxiliary structures for fragment adhesion strategies on wax artifactsa Tensile specimens of different PLA positions and densities. b Before performing tensile tests. c After performing the tensile test. d Comparison of nominal stress \({\sigma }_{n}=\frac{F}{A}\) nominal strain \({\varepsilon }_{n}=\frac{{\Delta L}_{0}}{{L}_{0}}\) curves of printed specimens for different positions and densitiesBack to article page