Please, Download you as free a "Mock-Up" (*.psd) usefull to present -canva's proyect- on a such a way.
___________________________________________________________________________________________________
( Maybe it shall be usefull to show up your 'Art-Gallery' or publish your portfolio of 'Fine-Arts', at least on-line we can get an exhibition.) So sure it'll be easier and capable on an eco than a thras way ( i mean without solid ).
....