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. 2019 Dec 30;11(1):43. doi: 10.3390/mi11010043

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Suspended printed sugar networks and PDMS casts after dissolving the sugar glass: (a) Suspended crossing network of sugar glass printed on the framework; (b) PDMS cast after dissolving the sugar glass of a similar crossing network; (c) Second order bifurcating sugar glass network; (d) PDMS cast after dissolving the sugar glass of a similar second order bifurcating network. Dashed areas are for the PIV measurements in Figure 5; (e) Detailed image of the bifurcation, showing the monolithic in-plane structure of the circular cross-sectional fibres; (f) 3D sugar glass network structure with the straight fibre curving downwards and the diagonal fibre curving upwards; (g) Curved trifurcation sugar glass network with the middle fibre curving upwards, while other fibres are in-plane; (h) Detailed image of the trifurcation, showing the fusion of the three fibres into a single monolithic trifurcation. Scale bars for the perspective images are only valid for the focussed part.

Suspended printed sugar networks and PDMS casts after dissolving the sugar glass: (a) Suspended crossing network of sugar glass printed on the framework; (b) PDMS cast after dissolving the sugar glass of a similar crossing network; (c) Second order bifurcating sugar glass network; (d) PDMS cast after dissolving the sugar glass of a similar second order bifurcating network. Dashed areas are for the PIV measurements in Figure 5; (e) Detailed image of the bifurcation, showing the monolithic in-plane structure of the circular cross-sectional fibres; (f) 3D sugar glass network structure with the straight fibre curving downwards and the diagonal fibre curving upwards; (g) Curved trifurcation sugar glass network with the middle fibre curving upwards, while other fibres are in-plane; (h) Detailed image of the trifurcation, showing the fusion of the three fibres into a single monolithic trifurcation. Scale bars for the perspective images are only valid for the focussed part.