Perspective Assistant

Start by measuring the distance from the vanishing point to the near line and from the vanishing point to the far line. You can measure at any angle you find convenient, as long as you are consistent. You can enter fractions or decimals, e.g. “1.5”, “1 1/2” or “3/2”.
far near
Error Message Goes Here
Error Message Goes Here

Split

Far 3.0
1 2.4
Near 2.0

Extend

Add larger copies and smaller copies.
3 2.4
2 2.4
1 2.4
Far 3.0
Near 2.0
1 2.4
2 2.4
3 2.4

Specific Point

2 3/32

About

I created this tool to help me in an art class. Source code.