Here’s an example of an inventory model for Ren’Py based on LezInventory:
```python
init python:
    class Inventory(object):
        def __init__(self):
            self.items = []
            self.max_items = 10

        def add_item(self, item):
            if len(self.items) < self.max_items:
                self.items.append(item)
                return True
            else:
                return False

        def remove_item(self, item):
            if item in self.items:
                self.items.remove(item)
                return True
            else:
                return False

    inventory = Inventory()
```

This model has an Inventory class that has a list of items and a maximum number of items that can be stored. It also has functions for adding and removing items. You can modify this model to suit your needs.

Here’s another example of a basic inventory system made using Ren’Py based on renpy-inventory-system:

```python
init python:
    # Define an item class
    class Item(object):
        def __init__(self, name, description):
            self.name = name
            self.description = description

    # Define an inventory class
    class Inventory(object):
        def __init__(self):
            self.items = []

        def add_item(self, item):
            self.items.append(item)

        def remove_item(self, item):
            self.items.remove(item)

    # Create an instance of the inventory
    inventory = Inventory()

    # Create some items
    apple = Item("Apple", "A juicy red apple.")
    banana = Item("Banana", "A ripe yellow banana.")

    # Add the items to the inventory
    inventory.add_item(apple)
    inventory.add_item(banana)

    # Remove an item from the inventory
    inventory.remove_item(apple)
```

Let me know if you have any other questions.
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