diff --git a/year4/fyp/PDDs/CT413_PDP_S001.pdf b/year4/fyp/materials/samples/PDDs/CT413_PDP_S001.pdf
similarity index 100%
rename from year4/fyp/PDDs/CT413_PDP_S001.pdf
rename to year4/fyp/materials/samples/PDDs/CT413_PDP_S001.pdf
diff --git a/year4/fyp/PDDs/CT413_PDP_S002.pdf b/year4/fyp/materials/samples/PDDs/CT413_PDP_S002.pdf
similarity index 100%
rename from year4/fyp/PDDs/CT413_PDP_S002.pdf
rename to year4/fyp/materials/samples/PDDs/CT413_PDP_S002.pdf
diff --git a/year4/fyp/PDDs/CT413_PDP_S003.pdf b/year4/fyp/materials/samples/PDDs/CT413_PDP_S003.pdf
similarity index 100%
rename from year4/fyp/PDDs/CT413_PDP_S003.pdf
rename to year4/fyp/materials/samples/PDDs/CT413_PDP_S003.pdf