How do i make player model smaller with a button

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R15 Character Scaling

You are now able to dynamically scale R15 Characters. Demonstration: There are four new NumberValue objects in the Humanoid of R15 characters. BodyDepthScale BodyHeightScale BodyWidthScale HeadScale Changing these values will scale the character by multiplying the original size by the current value for that dimension. The body parts of the humanoid will be scaled in all three dimensions while the HeadScale will scale the head uniformly. Scaling while running: Try it out here, this …

R15 Character Scaling Test

This is open source and makes use of a gui slider.