3D modeling tips - Sketchup

Below are the tips for doing 3D modeling using Sketchup.

How to make curves and circles more smoother
http://www.moviestorm.co.uk/forums/index.php?showtopic=3185

8 Tips for 3D Printing with Sketchup
http://www.mastersketchup.com/8-tips-for-3d-printing-with-sketchup/

Terrain in Sketchup
http://fatpencilstudio.com/terrain-in-sketchup-1/

The right way to use Follow Me
https://blog.sketchup.com/sketchupdate/right-way-use-follow-me

**Smoothing STL files made in Sketchup with Blender for 3D printing**
http://airwolf3d.com/2014/10/22/smoothing-stl-file-sketchup-blender-3d-printing/

**Solution to circle / cylinder not smooth because it is aproximated by line segments
http://forums.sketchup.com/t/circle-not-smooth-because-it-is-aproximated-by-line-segments/787/2

Sketchup Plugins

CLF Shape Bender
http://extensions.sketchup.com/en/content/clf-shape-bender

**Sketchup Gear With Involute Gear Plugins**
https://youtu.be/8351hA_HbDk

Other 3D modeling tools to consider

DesignSpark Mechanical
http://www.instructables.com/id/Free-3D-CAD-modelling-using-DesignSpark-Mechanical/

About 3mf and converting from 3mf to slt

What is 3mf?
http://www.3mf.io/what-is-3mf/

Spin 3D Mesh Converter Software
http://www.nchsoftware.com/3dconverter/

Note, A great tool to convert the 3mf file back to stl when using the 3D model repair service offered by Microsoft.

3D Model Repair

Free 3D Model Repair Service
https://tools3d.azurewebsites.net/

Export to DWG
http://www.simlab-soft.com/3d-plugins/dwg-exporter-for-sketchUp-main.aspx#download