Table 1 RSM-based design of experiment with significant input parameters and corresponding output.

From: Machine learning based approach for surface roughness prediction in precision dental prototyping

Layer thickness

Exposure duration

Print angle

Infill density

Lift speed

Surface roughness

(mm)

(sec)

(degree)

(%)

(mm/sec)

(Microns)

X1

X2

X3

X4

X5

Y

0.065

4

67

40

3.5

0.465

0.065

4

67

80

3.5

0.412

0.05

5.5

90

60

5

0.293

0.08

5.5

90

60

2

0.519

0.08

5.5

90

100

5

0.462

0.08

2.5

90

100

2

0.473

0.065

4

67

80

3.5

0.416

0.065

4

67

80

3.5

0.414

0.065

4

90

80

3.5

0.385

0.08

2.5

45

60

2

0.611

0.05

2.5

45

60

5

0.371

0.05

2.5

90

100

5

0.26

0.05

5.5

45

60

2

0.346

0.055

4

67

80

3.5

0.326

0.05

5.5

90

100

2

0.239

0.065

4

67

80

6.5

0.425

0.065

4

22

80

3.5

0.465

0.065

4

67

100

3.5

0.384

0.065

4

67

80

3.5

0.427

0.065

4

67

80

3.5

0.419

0.065

4

67

80

1.5

0.418

0.05

5.5

45

100

5

0.291

0.065

2

67

80

3.5

0.411

0.08

2.5

90

60

5

0.551

0.05

2.5

90

60

2

0.3

0.08

2.5

45

100

5

0.525

0.08

5.5

45

60

5

0.605

0.065

4

67

80

3.5

0.431

0.095

3.5

67

80

3.5

0.649

0.08

5.5

45

100

2

0.5

0.065

6.5

67

80

3.5

0.395

0.05

2.5

45

100

2

0.297