Help, new to cambam, mach3 . . . .

I finished making my homemade CNC Router and am starting to try to learn the software side of things, I have a licensed copy of Mach3 and using the trial on CamBam, I created a simple square in CamBam and created a simple profile and put the Gcode into Mach 3, this is what it looks like in Mach3, what's with the 3/4 circle at the bottom left corner ??

I'm getting really bummed, I have a nice machine and have no clue what to do with the software.

I'm getting this on other samples I am working with too.

Pic of my CNC Router

DSCF0342.jpg

DSCF0347.jpg

DSCF0348.jpg

cambam.jpg

Attached Images

• cambam.jpg‎ (18.3 KB)
• DSCF0342.jpg‎ (92.5 KB)
• DSCF0347.jpg‎ (98.7 KB)
• DSCF0348.jpg‎ (77.0 KB)