▁In ▁this ▁de cade , ▁the ▁artist ▁creates ▁the ▁first ▁drawing ▁for ▁Med itation ▁Mand ala , ▁a ▁sculpt ure ▁project ▁for ▁a ▁park . ▁Med itation ▁Mand ala ▁is ▁then ▁cast ▁in ▁bronze , ▁together ▁with ▁the ▁sculpt ures ▁Sh ak ti ▁Sam oth race , ▁Ex cal ib ur ▁and ▁E cho ▁Chamber . ▁ ▁Coll ages , ▁a ▁little ▁known ▁aspect ▁of ▁the ▁artist ' s ▁work , ▁begin ▁to ▁come ▁into ▁view . ▁Prior ▁to ▁publication ▁of ▁An atom y ▁of ▁a ▁Cloud ▁in ▁ 1 9 8 3 ▁by ▁Harry ▁N . ▁Abr ams , ▁the ▁artist ' s ▁coll ages ▁were ▁largely ▁unknown . ▁A ▁notable ▁exception ▁is ▁the ▁ 1 9 7 8 ▁exhibition ▁at ▁the ▁G imp el ▁We itzen hof fer ▁Gallery ▁in ▁New ▁York , ▁which ▁integrated ▁sculpt ural ▁elements ▁with ▁coll age . ▁Yet , ▁as ▁early ▁as ▁the ▁mid - f ift ies , ▁visitors ▁to ▁the ▁artist ' s ▁Paris ▁studio ▁could ▁see ▁abstract ▁col lag ed ▁interior ▁doors , ▁as ▁well ▁as ▁an ▁inner ▁wall ▁later ▁called ▁H ok us ai ▁Arch , ▁consisting ▁of ▁col lag ed ▁Japanese ▁wood cut s . ▁ ▁In ▁ 1 9 7 1 - 1 9 7 2 ▁a ▁ret ros pective ▁of ▁works ▁on ▁canvas ▁organized ▁by ▁Ger ald ▁Nord land ▁and ▁Philippe ▁de ▁Monte b ello ▁took ▁place ▁at ▁the ▁Houston ▁Museum ▁of ▁Fine ▁Arts ▁and ▁the ▁San ▁Francisco ▁Museum ▁of ▁Art . ▁ ▁The ▁Cor cor an ▁Gallery ▁of