Added Ptn Pre Add Channel Axis node and Ptn Pre Flatten node. Also added example workflows to build a model from scratch using Ptn Chained Model node.

docs/reference/node_reference.md

@@ -120,6 +120,8 @@
 | [Ptn Linear](ptn_linear.md) | A linear model consisting of a single dense layer.   |
 | [Ptn Linear Model](ptn_linear_model.md) | A linear model consisting of dense layers.   |
 | [Ptn Max Pool](ptn_max_pool2d.md) | A maxpool layer.   |
+| [Ptn Pre Add Channel Axis](ptn_pre_add_channel_axis.md) | Adds a channel axis after the batch axis if the input is rank 3 (bs, h, w) |
+| [Ptn Pre Flatten](ptn_pre_flatten.md) | Flattens the input tensor before processing the tensor in the specified model. |
 | [Ptn Resnet Model](ptn_resnet_model.md) | A Resnet model consisting of multiple Resnet layers.   |
 ## PyTorch wrapper - Optimizer
 | Node | Description |

docs/reference/ptn_conv2d.md

@@ -25,7 +25,7 @@ t.
 | dilation | String |
 | groups | Int |
 | bias | Boolean |
-| padding_mode | Zeros |
+| padding_mode |  |
 
 ## Output
 | Data type |

docs/reference/ptn_pre_add_channel_axis.md

@@ -0,0 +1,18 @@
+# Ptn Pre Add Channel Axis
+Adds a channel axis after the batch axis if the input is rank 3 (bs, h, w)
+before the forward pass by the specified model.
+
+## Input
+| Name | Data type |
+|---|---|
+| model | Ptmodel |
+
+## Output
+| Data type |
+|---|
+| Ptmodel |
+
+<HR>
+Category: PyTorch wrapper - Model
+
+ComfyUI Pt Wrapper Node Reference. © 2025 Hide Inada (HowToSD.com). All rights reserved.

docs/reference/ptn_pre_flatten.md

@@ -0,0 +1,17 @@
+# Ptn Pre Flatten
+Flattens the input tensor before processing the tensor in the specified model.
+
+## Input
+| Name | Data type |
+|---|---|
+| model | Ptmodel |
+
+## Output
+| Data type |
+|---|
+| Ptmodel |
+
+<HR>
+Category: PyTorch wrapper - Model
+
+ComfyUI Pt Wrapper Node Reference. © 2025 Hide Inada (HowToSD.com). All rights reserved.