A three-dimensional printing equipment assembly comprising a three-dimensional printing build system comprising: a cyclic, linear or oscillating conveyor system (2, 21, 85, 86, 110, 118, 119, 120, 121, 122, 128, 129, 135, 136, 138, 145, 155, 173); plural build modules (6, 6a-6L, 7a,10, 15, 90, 175) engaged with the conveyor system and temporarily retain a powder, and_comprising respective height adjustable platforms (7b, 17, 92); at least one build station (111, 115, 126, 127) that forms respective one or more three-dimensionally printed articles (96, 160, 162, 164) on the plural build modules (6, 6a-6L, 7a,10, 15, 90, 175), the at least one build station including 1) at least one powder layering system adapted to form incremental powder layers within build modules; and 2) at least one printing system adapted to apply a liquid according to a predetermined pattern to incremental powder layers within build modules; characterized by a control system including a proximity sensor configured to determine and specify the location of one or more of the plural build modules (6, 6a-6L, 7a,10, 15, 90, 175) relative to the conveyor system (2, 21, 85, 86, 110, 118, 119, 120, 121, 122, 128, 129, 135, 136, 138, 145, 155, 173); wherein the conveyor system (2, 21, 85, 86, 110, 118, 119, 120, 121, 122, 128, 129, 135, 136, 138, 145, 155, 173) is configured to repeatedly conduct the plural build modules (6, 6a-6L, 7a,10, 15, 90, 175) from the at least one powder layering system to the at least one printing system to form a three-dimensionally printed bed comprising one or more three-dimensionally-printed articles; and a bed transfer system (8, 152) adapted to transfer the three-dimensionally printed beds, one or more at a time, away from the three-dimensional printing build system. a cyclic, linear or oscillating conveyor system (2, 21, 85, 86, 110, 118, 119, 120, 121, 122, 128, 129, 135, 136, 138, 145, 155, 173); plural build modules (6, 6a-6L, 7a,10, 15, 90, 175) engaged with the conveyor system and temporarily retain a powder, and_comprising respective height adjustable platforms (7b, 17, 92); at least one build station (111, 115, 126, 127) that forms respective one or more three-dimensionally printed articles (96, 160, 162, 164) on the plural build modules (6, 6a-6L, 7a,10, 15, 90, 175), the at least one build station including 1) at least one powder layering system adapted to form incremental powder layers within build modules; and 2) at least one printing system adapted to apply a liquid according to a predetermined pattern to incremental powder layers within build modules; characterized by a control system including a proximity sensor configured to determine and specify the location of one or more of the plural build modules (6, 6a-6L, 7a,10, 15, 90, 175) relative to the conveyor system (2, 21, 85, 86, 110, 118, 119, 120, 121, 122, 128, 129, 135, 136, 138, 145, 155, 173); wherein the conveyor system (2, 21, 85, 86, 110, 118, 119, 120, 121, 122, 128, 129, 135, 136, 138, 145, 155, 173) is configured to repeatedly conduct the plural build modules (6, 6a-6L, 7a,10, 15, 90, 175) from the at least one powder layering system to the at least one printing system to form a three-dimensionally printed bed comprising one or more three-dimensionally-printed articles; and a bed transfer system (8, 152) adapted to transfer the three-dimensionally printed beds, one or more at a time, away from the three-dimensional printing build system.