Will dissipating heat through the back cover damage my MacBook?

"Will dissipating heat through the back cover damage my MacBook?: I have been thinking of using external methods to cool down my mac by dissipating heat through the back cover. Though i am a a bit concerned that this may cause damages to internal components due to the difference in heat of the back cover and heat sink"

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Keeping a Cool Mac:

A. Based on Personal Experience:

On my desk, I'm always using a riser for my MBP(it has no fans). On my lap, I'm always using a Laptop Cooler that is at an angle. Being at an angle, the fans circulate much slower and frankly are never heard. My riser lays at a 35 degree angle, and my laptop cooler lays at a 30% angle.

B. Finding Directly from Apple:

1. Go here: About Fans and Fan Noise in your Apple product - Apple Support
2. Scroll to: Make sure the vents on your Apple product aren't blocked
3. Scroll to: Learn more

Please help us help you. Tell us the exact model and sub-model of your MacBook, and what macOS version it is running. "About this Mac" gives the exact info, Remember that the names MacBook, Macbook Pro, and Macbook Air are three different models with different cooling strategies. The true "MacBook" was discontinued in 2019. The Macbook Pro and Macbook Pro remain today,

Only then can we give you specific recommendations that won't drown you in generalizations, However, this is a good read:

Keep your Mac laptop within acceptable operating temperatures - Apple Support

Thanks

Describe the external methods you are considering.