Best Fit Curve

Function

This command draws an arc between to endpoints with a radius that is derived from sampling points and averaging the radius of an arc that passes though these points.

Prompts

Starting Point ?
Pick point or point number:
pick a point
Ending point ?
Pick point or point number:
pick a point
Select points from screen or by point number [<Screen>/Number]: press Enter
Select Points to sample.
Select objects:
W Use window to select a group of points. After selecting all the points to sample, end selection by pressing Enter.

Pulldown Menu Location: Draw > Arc 
Keyboard Command: bfitcrv
Prerequisite: Points for sampling should be drawn before execution.
File Name: \lsp\bfitcrv.lsp