diff --git a/kubi/src/rendering/world.rs b/kubi/src/rendering/world.rs
index 4e944d2..9b80e85 100644
--- a/kubi/src/rendering/world.rs
+++ b/kubi/src/rendering/world.rs
@@ -29,8 +29,9 @@ struct WorldUniform {
   position: [f32; 3], //XXX: should use i32?
 }
 
+///private type
 #[derive(Unique)]
-struct GpuData {
+pub struct GpuData {
   pipeline: wgpu::RenderPipeline,
   uniform_buffer: wgpu::Buffer,
   bind_group: wgpu::BindGroup,