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Steeolithocley (SP) ndiye ukadaulo womwe umagwiritsidwa ntchito kwambiri. Itha kupanga magawo olondola komanso okwanira. Unali njira yoyamba yosinthira, yoyambitsidwa mu 1988 ndi ma systems 3d, Inc., kutengera ntchito ndi armunor Charles phompho. Imagwiritsa ntchito mphamvu yotsika, yoyang'ana kwambiri ya UV kuti isatsatire magawo atatu a chinthu chamitundu itatu mu vat wamadzi owoneka bwino. Pomwe laser amapikisana ndi wosanjikiza, polymer amalimba ndipo madera ochulukirapo amasiyidwa ngati madzi. Wosanjikiza atamalizidwa, tsamba loyambira limasunthidwa pansi kuti lisankhire musanayikenso osanjikiza. Pulatifomu imatsitsidwa ndi mtunda wofanana ndi wosanjikiza wa makulidwe (nthawi zambiri 0.003-0.002 in), ndipo gawo lotsatira limapangidwa pamwamba pazigawo zomwe zidamalizidwa kale. Njira yoyeserera ndi yosalala imabwerezedwa mpaka kumanga. Kamodzi kwathunthu, gawo limakwezedwa pamwamba pa vat ndikuthira. Polymer yowonjezera imasokonekera kapena ija yopukutidwa ndi nkhope. Nthawi zambiri, chithandizo chomaliza chimaperekedwa poika gawo mu uv uvuni. Pambuyo pakuchiritsidwa komaliza, zothandizira zimadulidwa gawo ndi mawonekedwe ake ndizopukutidwa, masansi kapena kumaliza.