3M Corner Maker CM100MB

Turn a 90° corner into diagonal for mounting keyboard trays
See our most popular corner sleeve

Corner and L-shaped desks that could use a little extra space up top, the 3M Corner Maker is the simple accessory that can transform your desk and give you a handy surface on which to attach your keyboard and mouse platforms with no problem. The 3M Corner Maker does more than reshape awkward corners into usable areas, because it allows keyboard trays to be installed in corner and compact spaces in a jiff.


  • Turn a 90° corner into diagonal for mounting keyboard trays
  • Fits desks from 0.75" to 1.5" thick
  • Compatible with keyboard tray systems with a track length of 21.75" or greater
  • Grants more usable desk space while bringing user closer to their work surface


Dimensions 1.65" H x 10" L x 17" W
Compatibility Fits desks from 0.75" to 1.5" thick
Warranty 2 years

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This product comes standard with a 2-year warranty.

Return Information

  • Return windows close 30 days after you receive your item.
  • You are responsible for obtaining a Return Merchandise Authorization, the cost of shipping, and potential restocking fees, if the item has been opened.
  • To start a return, or to view the full returns policy, click here.
Your Price
$64.00 List Price: $98.23
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