What support structure strategy minimizes resin consumption in SLA printing without sacrificing support integrity?

The support structure strategy that minimizes resin consumption in SLA (Stereolithography) printing without sacrificing support integrity is to use selectively placed, thin, tree-like supports with optimized branching. This approach focuses on providing support only where it's structurally necessary to prevent deformation or collapse during printing, rather than filling large areas with dense support structures. Tree-like supports use a minimal amount of material while still providing sufficient support to overhangs and delicate features. Optimizing the branching pattern ensures that the supports are strong enough to withstand the forces exerted during printing and that the contact points with the part are small enough to minimize surface defects during removal. Furthermore, angled supports (typically 45 degrees) offer a good balance between support strength and material usage. By carefully analyzing the geometry of the part and strategically placing these thin, branched supports, resin consumption can be significantly reduced compared to using more conventional, dense support structures, all while maintaining the structural integrity of the support system.