U-Signer Simon Darbanbach (Simon Drambach) wenza isibane esithambileyo sokukhanya, uyakwazi ukuziqhelanisa nomphezulu. Isibane senziwe nge-polyurethane ye-upolyurethane, ngenxa yokuba inokuthi inikwe nayiphi na ifom, idlulisela "isihloko esipholileyo".
Isibane sixhotyiswe ngesibane esigcina amandla sikhuselwe yigridi. Ukongeza kwiindawo zemveli ukulungiselela isibane esithambileyo sokukhanya, kunokwenzeka ukuba unamathisele izinto zefanitshala, kwaye ukuba kukho imfuneko, sebenzisa endaweni yomqamelo.
