How to slide Frame on Curve by it bounds?

I tried to make a shape with sweeping 3 section curves on a curve. While doing this, I made Perp. Frames and slide it on curve. But I wonder how can I slide those frames within bounds like 0(start point of curve) and 1(end point of curve). Because I manually chane the sliding number and try to guess the end point of curve.(Distance) Here is a ss. So basically I want to change the location of frames in between the end points of curve. not manually.

edit: attachment.

Evaluate Curve or Evaluate Length. Images and files always help.

or maybe this…

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yea it worked. Thanks alot. I tried to do it with remap numbers, con. domain, bounds … :slight_smile: