How difficult would it be to shorten an IKEA Kallax cube unit?

Can you post a picture?

you want to shorten it from side?? just cut it off, it's particle board covered in plastic veneer.you'll need to tape it well so you don't damage veneer and mark boards with cut so they don't splinter. The more teeth on saw blade the less chipping you could use jig saw,hand saw. Then you'll need to recover raw edges with matching plastic veneer. if you can peel back veneer on edges you could just use that,before cutting with saw score the veneer with razor blade so veneer is longer than cut off point of actual board. Hope that makes sense.

Sheryl,

Do you have the original assembly instructions? If not, go to the IKEA website and download them. You can remove the pieces you need to to shorten it by one cube and reassemble it with the finished end piece. All the dowels should be in the right position. The problem is the ends of the top and bottom pieces, which need to be cut as you mentioned. You may not have success trying to peel the veneer back and reusing it to cover the cut ends as Lynn suggested, but it's certainly worth a try. If it does not work, another option to using veneer to cover the cut edges would be to buy some wooden trim to cover them. Use it on the the other end as well so both ends match. Try to match the paint color as best as you can. In addition to Lynn's suggestion of covering your cut line with tape, score it on all four sides with a utility knife. It will also help to get a clean edge.

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