How to use IK stretch in Blender (with and without deform)

A quick look at how you can incorporate stretching in Blender's Inverse Kinematics (IK). It is a great tool to make your IK rigs more dynamic. I show you how to do it with deform for more cartoony and stylized stuff, but also how to use it without deform and scaling for machines and robots.
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[@renranger2135]

This helped a lot. But how do you keep the IK bone from scaling in all axis’s when you stretch it? Right now, I can’t keep my model from ballooning out whenever I stretch it. I just need it to stretch in the Y axis. I’ve tried the “Limit Scale” constraints and the locks in the “Inverse Kinematics” tab, but nothing works.

[@mihailazar2487]

Thanks. Will be using this to rig a Factorio spidertron

[@merlinboshoff1052]

Amazing video, but how do you add this principle on a larger scale, say a machine that matches the movement of a snake, but as it stretches out you want each segment to separate further apart the further you go, how do you do it?
I've tired curves, bending rigs, and now this, but none give me the results I want

[@ventiladordesuco]

I have a very similar setup, I would say it's almost exactly as yours. I have a robotic arm and I have a piston that extends the "hand" of the robot out. I was having some much trouble figuring this out! Thanks you!!

[@SabesLink]

Thanks buddy you solve my problem:D

[@user-mr9uz1ck9r]

thanks but honestly your voice makes me so sleepy

[@ShackMan]

😴