diff --git a/specparam/objs/fit.py b/specparam/objs/fit.py
index 72d50bc0..6edc20d7 100644
--- a/specparam/objs/fit.py
+++ b/specparam/objs/fit.py
@@ -9,6 +9,7 @@
 from specparam.core.funcs import infer_ap_func
 from specparam.core.utils import check_array_dim
 from specparam.data import FitResults, ModelSettings
+from specparam.data.conversions import group_to_dict
 from specparam.core.items import OBJ_DESC
 from specparam.core.modutils import safe_import
 
@@ -16,7 +17,7 @@
 ###################################################################################################
 
 class BaseFit():
-    """Define BaseFit object."""
+    """Base object for managing fit procedures."""
     # pylint: disable=attribute-defined-outside-init, arguments-differ
 
     def __init__(self, aperiodic_mode, periodic_mode, debug_mode=False,
@@ -331,6 +332,7 @@ def _calc_error(self, metric=None):
 
 
 class BaseFit2D(BaseFit):
+    """Base object for managing fit procedures - 2D version."""
 
     def __init__(self, aperiodic_mode, periodic_mode, debug_mode=False, verbose=True):
 
@@ -475,6 +477,80 @@ def fit(self, freqs=None, power_spectra=None, freq_range=None, n_jobs=1, progres
         # Clear the individual power spectrum and fit results of the current fit
         self._reset_data_results(clear_spectrum=True, clear_results=True)
 
+
+class BaseFit2DT(BaseFit2D):
+    """Base object for managing fit procedures - 2D transpose version."""
+
+    def __init__(self, aperiodic_mode, periodic_mode, debug_mode=False, verbose=True):
+
+        BaseFit2D.__init__(self, aperiodic_mode, periodic_mode, debug_mode=False, verbose=True)
+
+        self._reset_time_results()
+
+
+    def __getitem__(self, ind):
+        """Allow for indexing into the object to select fit results for a specific time window."""
+
+        return get_results_by_ind(self.time_results, ind)
+
+
+    def _reset_time_results(self):
+        """Set, or reset, time results to be empty."""
+
+        self.time_results = {}
+
+
+    def fit(self, freqs=None, spectrogram=None, freq_range=None, peak_org=None,
+            n_jobs=1, progress=None):
+        """Fit a spectrogram.
+
+        Parameters
+        ----------
+        freqs : 1d array, optional
+            Frequency values for the spectrogram, in linear space.
+        spectrogram : 2d array, shape: [n_freqs, n_time_windows], optional
+            Spectrogram of power spectrum values, in linear space.
+        freq_range : list of [float, float], optional
+            Frequency range to fit the model to. If not provided, fits the entire given range.
+        peak_org : int or Bands
+            How to organize peaks.
+            If int, extracts the first n peaks.
+            If Bands, extracts peaks based on band definitions.
+        n_jobs : int, optional, default: 1
+            Number of jobs to run in parallel.
+            1 is no parallelization. -1 uses all available cores.
+        progress : {None, 'tqdm', 'tqdm.notebook'}, optional
+            Which kind of progress bar to use. If None, no progress bar is used.
+
+        Notes
+        -----
+        Data is optional, if data has already been added to the object.
+        """
+
+        super().fit(freqs, spectrogram, freq_range, n_jobs, progress)
+        if peak_org is not False:
+            self.convert_results(peak_org)
+
+
+    def get_results(self):
+        """Return the results run across a spectrogram."""
+
+        return self.time_results
+
+
+    def convert_results(self, peak_org):
+        """Convert the model results to be organized across time windows.
+
+        Parameters
+        ----------
+        peak_org : int or Bands
+            How to organize peaks.
+            If int, extracts the first n peaks.
+            If Bands, extracts peaks based on band definitions.
+        """
+
+        self.time_results = group_to_dict(self.group_results, peak_org)
+
 ###################################################################################################
 ## Helper functions for running fitting in parallel
 
diff --git a/specparam/tests/objs/test_fit.py b/specparam/tests/objs/test_fit.py
index 5f998473..2601409c 100644
--- a/specparam/tests/objs/test_fit.py
+++ b/specparam/tests/objs/test_fit.py
@@ -63,5 +63,29 @@ def test_base_fit2d_results(tresults):
     tfit2d.add_results(results)
     assert tfit2d.has_model
     results_out = tfit2d.get_results()
-    assert isinstance(results, list)
+    assert isinstance(results_out, list)
     assert results_out == results
+
+## 2DT fit object
+
+def test_base_fit2dt():
+
+    tfit2dt1 = BaseFit2DT(None, None)
+    assert isinstance(tfit2dt1, BaseFit)
+    assert isinstance(tfit2dt1, BaseFit2D)
+    assert isinstance(tfit2dt1, BaseFit2DT)
+
+    tfit2dt2 = BaseFit2DT(aperiodic_mode='fixed', periodic_mode='gaussian')
+    assert isinstance(tfit2dt2, BaseFit2DT)
+
+def test_base_fit2d_results(tresults):
+
+    tfit2dt = BaseFit2DT(None, None)
+
+    results = [tresults, tresults]
+    tfit2dt.add_results(results)
+    tfit2dt.convert_results(None)
+
+    assert tfit2dt.has_model
+    results_out = tfit2dt.get_results()
+    assert isinstance(results_out, dict)