Can flexible polyhedron (hyperbolic or euclidean) have non-simply connected configuration space not containing singular polyhedra?
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$\begingroup$ Could you explain what the phrase "singular polyhedra" means? Thanks. $\endgroup$– Joseph O'RourkeCommented Jan 9, 2019 at 15:23
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1$\begingroup$ Ones with angles between faces equal to $0$ or $\pi$. Without excluding that things you can easily find examples in $1$-dim polyhedra. $\endgroup$– Denis TCommented Jan 10, 2019 at 6:56
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