Hacked a corner sink base using the basic guidelines at https://www.ikeahackers.net/2018/01/hack-ikea-corner-sink.html and some of our own modifications. : r/ikeahacks
HAVSEN Sink bowl w visible front, white, 62x48 cm, 25.32 kg - IKEA
KILSVIKEN inset sink, 1 bowl with drainboard, black/quartz composite, 72x46 cm - IKEA
VRESJÖN Inset sink, 1 bowl, stainless steel, with water trap/strainer, 37x44 cm - IKEA