OpenCart - Product price based on price matrix

About "Product price based on price matrix"

This module gives possibilities to:

set the product price depending on 2 custom select options (e.g.: width & height)
updating available options when the option's been changed (without ajax)

Example how this module works:
Price matrix(in the admin panel):

Front-end view:

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Opencart 2.x Demo
Front: Link to Demo Product
Admin: Link to Module Settings | Link to "test product" (tab "Option" => "Price matrix")

Login: demo
Password: demo

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Module updates:
Version 1.0.4