Software Draw

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Does anyone know where online I can get free software to draw a porch onto a house?

Tons

Try these and have fun
1. (easy) http://www.sketchup.com/
2. (hard) http://www.alibre.com/promos/online/free-cad.asp?ovchn=GGL&ovcpn=Xpress&ovcrn=free+cad+software&ovfrd=Broad&ovtac=PPC&gclid=CJX4vYiV1YUCFTmeIgodBTEfMA
3. (try I do nopt know) http://www.caddprimer.com/Free_CAD_software/cad_shareware_freeware.htm
4. (worth a try) http://www.cadstd.com/
5. (proffessional architectural cad) http://www.cadlogic.com/

Or
Take a picture of the house, print it and draw the design to scale on that print. You will be plesantly surprised.

SimmTrace™ introduction. A modern camera lucida drawing tool


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