re: Making a wedding cake for the first time...as a favour!

well done you massive congratulations, you’ve done an amazing job on your first tiered cake. :) no stopping you now – tip for rolling out icing – use spacers these can either be on your rolling pin or separate http://www.amazon.co.uk/s/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=spacers+for+cake+decorating

http://www.amazon.co.uk/PME-Large-Rolling-Guide-Multi-Colour/dp/B00JDOVVOI/ref=sr_1_1?ie=UTF8&qid=1441055017&sr=8-1&keywords=spacers+for+rolling+pins