Note : you must use this (SKU = tiket1.0 ) for ticket (see video tutorial)
And for custom option (choose file) , and SKU of file must bee SKU = tiket-file(see video tutorials : https://vimeo.com/52956389
many marketplace need this extension by example your site create the 3d object but you need create custom object for many client, and you want receive the info from clients as zip of images for knowing exactly the idea or object wanted by client , Ok My Custom Downloadable resolve this problem .
the client can create the ticket and order private downloadable product (with the ticket the client attached zip or rar file contain all image or all file needed by the marketplace ) ;after that your receive all private order sanded by all clients in the same place ; the client can’t download just after finished the product and uploaded by your store.
the client have custom section in him account of private downloadable product and can sell him product in your store and can fix the price for product see the tutorials for more infos