★★★★★
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New in 4.2 • Bricks: build any model from standard building bricks or plates, with slopes and corner pieces, a parts list, colour by part type, a layer-by-layer build animation and a build-instructions PDF. • ASET light-return maps for cut gems, with stacked slices and PDF export. • Liquid metal view (animated), plus Plastic, Metal and Wood material views. • Melt is now a live modifier; Hyphae and Branches can grow inside any layer. • Voronoi starts in 3D, plus many fixes and improvements. • TopMod stays free. Optional one-time donations help keep it that way.
Works best for Ipad. TopMod is a topological mesh modeler for sculpting intricate, high-genus 3D surfaces right on your iPhone and iPad. Build handles, holes, and complex manifold geometry in real time, then export your creations as OBJ files to use in any 3D pipeline. A focused, self-contained tool for artists, designers, and anyone who loves the mathematics of form.