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Moore DS, Berkland C, Detamore MS (2010)
Three-dimensional macroscopic scaffolds with
a gradient in stiffness for functional regeneration of interfacial tissues. J Biomed Mater Res
A 94(3):870–876
13. Pompe W, Worch H, Epple M, Friess W,
Gelinsky M, Greil P et al (2003) Functionally
graded materials for biomedical applications.
Mater Sci Eng A 362(1–2):40–60
14. Paul JP (1999) Strength requirements for
internal and external prostheses. J Biomech
32(4):381–393
15. Huiskes R, Weinans H, Van Rietbergen B
(1992) The relationship between stress shielding and bone resorption around total hip stems
and the effects of flexible materials. Clin
Orthop Relat Res 274:124–134
16. Yang S, Leong KF, Du Z, Chua CK (2001)
The design of scaffolds for use in tissue engineering. Part I. Traditional factors. Tissue Eng
7(6):679–689
17. An J, Teoh JEM, Suntornnond R, Chua CK
(2015) Design and 3D printing of scaffolds
and tissues. Engineering 1(2):261–268
18. Rashed MG, Ashraf M, Mines RAW, Hazell PJ
(2016) Metallic microlattice materials: a current state of the art on manufacturing, mechanical properties and applications. Mater Des
95:518–533
19. Woodfield TBF, Blitterswijk CV, Wijn JD, Sims
TJ, Hollander AP, Riesle J (2005) Polymer
scaffolds fabricated with pore-size gradients as
a model for studying the zonal organization
within tissue-engineered cartilage constructs.
Tissue Eng 11(9–10):1297–1311
20. Cheon Deok J (2016) 3D Printer having variable nozzle head, and operation method therefor. WO2016072549 (Patent number)
21. WebPlotDigitizer - Extract data from plots,
images, and maps. https://automeris.io/
WebPlotDigitizer/. Accessed 21 Nov 2017
22. Wang CM, Wang CY (2004) Vol. 6. In: Exact
solutions for buckling of structural members.
CRC Press, Boca Raton
42
Alessandra Bonfanti et al.