Ask a maker's technical advice. Or read the installation manuals for some... they are available online frequently enough.
HP dryers are heavy. Very heavy; and will point load under the dryer's feet, crushing any carpet and underlay.
My Miele manual has this warning
Do not block the gap between the bottom of the tumble dryer and the floor with plinth facings, deep pile carpet etc. This would hinder a sufficient flow of air to the tumble dryer.
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