Merge pull request #1 from Pater1/Pat-dev-line

added some things you might like
add MathProblems git to this git
Merge pull request #3 from connerk/Dev_Ring

Merge
Added DXF Lib
Merge branch 'master' of https://github.com/connerk/Models
add dxfLib
Merge remote-tracking branch 'Pater1/Pat-dev-line' into pat-dev-line
Update .gitignore to include 3D export files

*.stl
*.gcode
Merge pull request #4 from Pater1/Pat-dev-line

I fixed it!
Update
Merge branch 'master' of https://github.com/connerk/Models
Add RepRap Logo DXF Layers
Merge pull request #5 from connerk/Development

Add RepRap Logo DXF Layers
Merge branch 'Development'
Merge branch 'master' of https://github.com/connerk/Models
Moved Toys to a new Tinkerfest Repository
Merge branch 'master' of https://github.com/connerk/Models into kcmaster