Изменения

* [https://github.com/openscad/openscad/issues/815 OpenSCAD #815 — Native bend modifier — is it possible to implement in OpenSCAD?]

* [https://github.com/openscad/openscad/pull/388 OpenSCAD #388 — SVG Importer]

* [https://github.com/alexrj/Slic3r/issues/2049 Slic3r #2049 — Raft/support is generated too low under object in 1.1.2]

* [https://github.com/alexrj/Slic3r/issues/1852 Slic3r #1852 — Infills on bridge attempts falling short a perimiter]