Table 5.

Candidates for 3D printing device resources.

Candidate Set	Atomic Service	Workshop Name	Equipment Model
$S_1$	$S_{11}$	Yourui 3D printing	HW-602
	$S_{12}$	Jiayi Hi-Tech	JOYE-4035
	$S_{13}$	Campus store	Aurora LVO A8
$S_2$	$S_{21}$	WINBO	WB-SH105
	$S_{22}$	Beien 3D	BANSOT M2
	$S_{23}$	3D printing workshop	Dimension SST 1200es
	$S_{24}$	The third brother of Hanbang	Corporate T1
$S_3$	$S_{31}$	Artful design workshop	SLM 500
	$S_{32}$	E-Plus-3D	EP-M100T
	$S_{33}$	Manheng	EOS-M290
$S_4$	$S_{41}$	Tongchuang 3D	MOONRAY
	$S_{42}$	Flashcast Technology Studio	Explorer
	$S_{43}$	Yourui 3D printing	DLP-1
$S_5$	$S_{51}$	Flashcast Technology Studio	Creator Pro
	$S_{52}$	Wuhan store	Second-generation 3D printing
	$S_{53}$	Jiayi Hi-Tech	JOYE-1010K
	$S_{54}$	Jiayi Hi-Tech	JOYE-1212E
$S_6$	$S_{61}$	Campus Station of College of Culture	FORTUS 200 mc
	$S_{62}$	3D printing workshop	ProJet 6000
	$S_{63}$	Yunle Design Studio	ULTRA
	$S_{64}$	High-precision printing	HOFTX2